diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index 4750d34..30dbf89 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
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@@ -10182,7 +9535,60 @@
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         "socket.io-adapter": "1.1.1",
         "socket.io-client": "2.0.4",
-        "socket.io-parser": "3.1.2"
+        "socket.io-parser": "3.1.3"
+      },
+      "dependencies": {
+        "engine.io-client": {
+          "version": "3.1.6",
+          "resolved": "https://registry.npmjs.org/engine.io-client/-/engine.io-client-3.1.6.tgz",
+          "integrity": "sha512-hnuHsFluXnsKOndS4Hv6SvUrgdYx1pk2NqfaDMW+GWdgfU3+/V25Cj7I8a0x92idSpa5PIhJRKxPvp9mnoLsfg==",
+          "dev": true,
+          "requires": {
+            "component-emitter": "1.2.1",
+            "component-inherit": "0.0.3",
+            "debug": "3.1.0",
+            "engine.io-parser": "2.1.1",
+            "has-cors": "1.1.0",
+            "indexof": "0.0.1",
+            "parseqs": "0.0.5",
+            "parseuri": "0.0.5",
+            "ws": "3.3.1",
+            "xmlhttprequest-ssl": "1.5.5",
+            "yeast": "0.1.2"
+          },
+          "dependencies": {
+            "debug": {
+              "version": "3.1.0",
+              "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
+              "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
+              "dev": true,
+              "requires": {
+                "ms": "2.0.0"
+              }
+            }
+          }
+        },
+        "socket.io-client": {
+          "version": "2.0.4",
+          "resolved": "https://registry.npmjs.org/socket.io-client/-/socket.io-client-2.0.4.tgz",
+          "integrity": "sha1-CRilUkBtxeVAs4Dc2Xr8SmQzL44=",
+          "dev": true,
+          "requires": {
+            "backo2": "1.0.2",
+            "base64-arraybuffer": "0.1.5",
+            "component-bind": "1.0.0",
+            "component-emitter": "1.2.1",
+            "debug": "2.6.9",
+            "engine.io-client": "3.1.6",
+            "has-cors": "1.1.0",
+            "indexof": "0.0.1",
+            "object-component": "0.0.3",
+            "parseqs": "0.0.5",
+            "parseuri": "0.0.5",
+            "socket.io-parser": "3.1.3",
+            "to-array": "0.1.4"
+          }
+        }
       }
     },
     "socket.io-adapter": {
@@ -10233,14 +9639,26 @@
       }
     },
     "socket.io-parser": {
-      "version": "3.1.2",
-      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-3.1.2.tgz",
-      "integrity": "sha1-28IoIVH8T6675Aru3Ady66YZ9/I=",
+      "version": "3.1.3",
+      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-3.1.3.tgz",
+      "integrity": "sha512-g0a2HPqLguqAczs3dMECuA1RgoGFPyvDqcbaDEdCWY9g59kdUAz3YRmaJBNKXflrHNwB7Q12Gkf/0CZXfdHR7g==",
+      "dev": true,
       "requires": {
         "component-emitter": "1.2.1",
-        "debug": "2.6.9",
+        "debug": "3.1.0",
         "has-binary2": "1.0.2",
         "isarray": "2.0.1"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
+          "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
+          "dev": true,
+          "requires": {
+            "ms": "2.0.0"
+          }
+        }
       }
     },
     "sockjs": {
@@ -10592,54 +10010,6 @@
         }
       }
     },
-    "stream-combiner2": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/stream-combiner2/-/stream-combiner2-1.1.1.tgz",
-      "integrity": "sha1-+02KFCDqNidk4hrUeAOXvry0HL4=",
-      "dev": true,
-      "requires": {
-        "duplexer2": "0.1.4",
-        "readable-stream": "2.3.5"
-      },
-      "dependencies": {
-        "isarray": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
-          "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE=",
-          "dev": true
-        },
-        "process-nextick-args": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.0.tgz",
-          "integrity": "sha512-MtEC1TqN0EU5nephaJ4rAtThHtC86dNN9qCuEhtshvpVBkAW5ZO7BASN9REnF9eoXGcRub+pFuKEpOHE+HbEMw==",
-          "dev": true
-        },
-        "readable-stream": {
-          "version": "2.3.5",
-          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.5.tgz",
-          "integrity": "sha512-tK0yDhrkygt/knjowCUiWP9YdV7c5R+8cR0r/kt9ZhBU906Fs6RpQJCEilamRJj1Nx2rWI6LkW9gKqjTkshhEw==",
-          "dev": true,
-          "requires": {
-            "core-util-is": "1.0.2",
-            "inherits": "2.0.3",
-            "isarray": "1.0.0",
-            "process-nextick-args": "2.0.0",
-            "safe-buffer": "5.1.1",
-            "string_decoder": "1.0.3",
-            "util-deprecate": "1.0.2"
-          }
-        },
-        "string_decoder": {
-          "version": "1.0.3",
-          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.0.3.tgz",
-          "integrity": "sha512-4AH6Z5fzNNBcH+6XDMfA/BTt87skxqJlO0lAh3Dker5zThcAxG6mKz+iGu308UKoPPQ8Dcqx/4JhujzltRa+hQ==",
-          "dev": true,
-          "requires": {
-            "safe-buffer": "5.1.1"
-          }
-        }
-      }
-    },
     "stream-each": {
       "version": "1.2.2",
       "resolved": "https://registry.npmjs.org/stream-each/-/stream-each-1.2.2.tgz",
@@ -10701,54 +10071,6 @@
       "integrity": "sha1-1cdSgl5TZ+eG944Y5EXqIjoVWVI=",
       "dev": true
     },
-    "stream-splicer": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/stream-splicer/-/stream-splicer-2.0.0.tgz",
-      "integrity": "sha1-G2O+Q4oTPktnHMGTUZdgAXWRDYM=",
-      "dev": true,
-      "requires": {
-        "inherits": "2.0.3",
-        "readable-stream": "2.3.5"
-      },
-      "dependencies": {
-        "isarray": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
-          "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE=",
-          "dev": true
-        },
-        "process-nextick-args": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.0.tgz",
-          "integrity": "sha512-MtEC1TqN0EU5nephaJ4rAtThHtC86dNN9qCuEhtshvpVBkAW5ZO7BASN9REnF9eoXGcRub+pFuKEpOHE+HbEMw==",
-          "dev": true
-        },
-        "readable-stream": {
-          "version": "2.3.5",
-          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.5.tgz",
-          "integrity": "sha512-tK0yDhrkygt/knjowCUiWP9YdV7c5R+8cR0r/kt9ZhBU906Fs6RpQJCEilamRJj1Nx2rWI6LkW9gKqjTkshhEw==",
-          "dev": true,
-          "requires": {
-            "core-util-is": "1.0.2",
-            "inherits": "2.0.3",
-            "isarray": "1.0.0",
-            "process-nextick-args": "2.0.0",
-            "safe-buffer": "5.1.1",
-            "string_decoder": "1.0.3",
-            "util-deprecate": "1.0.2"
-          }
-        },
-        "string_decoder": {
-          "version": "1.0.3",
-          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.0.3.tgz",
-          "integrity": "sha512-4AH6Z5fzNNBcH+6XDMfA/BTt87skxqJlO0lAh3Dker5zThcAxG6mKz+iGu308UKoPPQ8Dcqx/4JhujzltRa+hQ==",
-          "dev": true,
-          "requires": {
-            "safe-buffer": "5.1.1"
-          }
-        }
-      }
-    },
     "streamroller": {
       "version": "0.7.0",
       "resolved": "https://registry.npmjs.org/streamroller/-/streamroller-0.7.0.tgz",
@@ -10758,7 +10080,7 @@
         "date-format": "1.2.0",
         "debug": "3.1.0",
         "mkdirp": "0.5.1",
-        "readable-stream": "2.3.5"
+        "readable-stream": "2.3.6"
       },
       "dependencies": {
         "debug": {
@@ -10769,42 +10091,6 @@
           "requires": {
             "ms": "2.0.0"
           }
-        },
-        "isarray": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
-          "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE=",
-          "dev": true
-        },
-        "process-nextick-args": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.0.tgz",
-          "integrity": "sha512-MtEC1TqN0EU5nephaJ4rAtThHtC86dNN9qCuEhtshvpVBkAW5ZO7BASN9REnF9eoXGcRub+pFuKEpOHE+HbEMw==",
-          "dev": true
-        },
-        "readable-stream": {
-          "version": "2.3.5",
-          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.5.tgz",
-          "integrity": "sha512-tK0yDhrkygt/knjowCUiWP9YdV7c5R+8cR0r/kt9ZhBU906Fs6RpQJCEilamRJj1Nx2rWI6LkW9gKqjTkshhEw==",
-          "dev": true,
-          "requires": {
-            "core-util-is": "1.0.2",
-            "inherits": "2.0.3",
-            "isarray": "1.0.0",
-            "process-nextick-args": "2.0.0",
-            "safe-buffer": "5.1.1",
-            "string_decoder": "1.0.3",
-            "util-deprecate": "1.0.2"
-          }
-        },
-        "string_decoder": {
-          "version": "1.0.3",
-          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.0.3.tgz",
-          "integrity": "sha512-4AH6Z5fzNNBcH+6XDMfA/BTt87skxqJlO0lAh3Dker5zThcAxG6mKz+iGu308UKoPPQ8Dcqx/4JhujzltRa+hQ==",
-          "dev": true,
-          "requires": {
-            "safe-buffer": "5.1.1"
-          }
         }
       }
     },
@@ -10953,23 +10239,6 @@
         "when": "3.6.4"
       }
     },
-    "subarg": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/subarg/-/subarg-1.0.0.tgz",
-      "integrity": "sha1-9izxdYHplrSPyWVpn1TAauJouNI=",
-      "dev": true,
-      "requires": {
-        "minimist": "1.2.0"
-      },
-      "dependencies": {
-        "minimist": {
-          "version": "1.2.0",
-          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
-          "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
-          "dev": true
-        }
-      }
-    },
     "supports-color": {
       "version": "3.2.3",
       "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-3.2.3.tgz",
@@ -10984,15 +10253,6 @@
       "resolved": "https://registry.npmjs.org/symbol-observable/-/symbol-observable-1.0.1.tgz",
       "integrity": "sha1-g0D8RwLDEi310iKI+IKD9RPT/dQ="
     },
-    "syntax-error": {
-      "version": "1.4.0",
-      "resolved": "https://registry.npmjs.org/syntax-error/-/syntax-error-1.4.0.tgz",
-      "integrity": "sha512-YPPlu67mdnHGTup2A8ff7BC2Pjq0e0Yp/IyTFN03zWO0RcK07uLcbi7C2KpGR2FvWbaB0+bfE27a+sBKebSo7w==",
-      "dev": true,
-      "requires": {
-        "acorn-node": "1.3.0"
-      }
-    },
     "tapable": {
       "version": "0.2.8",
       "resolved": "https://registry.npmjs.org/tapable/-/tapable-0.2.8.tgz",
@@ -11487,12 +10747,6 @@
       "resolved": "https://registry.npmjs.org/ultron/-/ultron-1.1.0.tgz",
       "integrity": "sha1-sHoualQagV/Go0zNRTO67DB8qGQ="
     },
-    "umd": {
-      "version": "3.0.1",
-      "resolved": "https://registry.npmjs.org/umd/-/umd-3.0.1.tgz",
-      "integrity": "sha1-iuVW4RAR9jwllnCKiDclnwGz1g4=",
-      "dev": true
-    },
     "underscore": {
       "version": "1.7.0",
       "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.7.0.tgz",
@@ -11733,13 +10987,21 @@
       }
     },
     "useragent": {
-      "version": "2.3.0",
-      "resolved": "https://registry.npmjs.org/useragent/-/useragent-2.3.0.tgz",
-      "integrity": "sha512-4AoH4pxuSvHCjqLO04sU6U/uE65BYza8l/KKBS0b0hnUPWi+cQ2BpeTEwejCSx9SPV5/U03nniDTrWx5NrmKdw==",
+      "version": "2.2.1",
+      "resolved": "https://registry.npmjs.org/useragent/-/useragent-2.2.1.tgz",
+      "integrity": "sha1-z1k+9PLRdYdei7ZY6pLhik/QbY4=",
       "dev": true,
       "requires": {
-        "lru-cache": "4.1.1",
+        "lru-cache": "2.2.4",
         "tmp": "0.0.33"
+      },
+      "dependencies": {
+        "lru-cache": {
+          "version": "2.2.4",
+          "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-2.2.4.tgz",
+          "integrity": "sha1-bGWGGb7PFAMdDQtZSxYELOTcBj0=",
+          "dev": true
+        }
       }
     },
     "util": {
diff --git a/frontend/package.json b/frontend/package.json
index 08e426b..7bbc53b 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -44,7 +44,7 @@
     "codelyzer": "~4.2.1",
     "jasmine-core": "~3.1.0",
     "jasmine-spec-reporter": "~4.2.1",
-    "karma": "~2.0.0",
+    "karma": "~2.0.2",
     "karma-chrome-launcher": "~2.2.0",
     "karma-cli": "~1.0.1",
     "karma-coverage-istanbul-reporter": "^1.4.2",
diff --git a/frontend/yarn.lock b/frontend/yarn.lock
index c4c0b05..6fc25fc 100644
--- a/frontend/yarn.lock
+++ b/frontend/yarn.lock
@@ -236,13 +236,6 @@
   version "1.4.32"
   resolved "https://registry.yarnpkg.com/@types/socket.io-client/-/socket.io-client-1.4.32.tgz#988a65a0386c274b1c22a55377fab6a30789ac14"
 
-JSONStream@^1.0.3:
-  version "1.3.2"
-  resolved "https://registry.yarnpkg.com/JSONStream/-/JSONStream-1.3.2.tgz#c102371b6ec3a7cf3b847ca00c20bb0fce4c6dea"
-  dependencies:
-    jsonparse "^1.2.0"
-    through ">=2.2.7 <3"
-
 abbrev@1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/abbrev/-/abbrev-1.1.1.tgz#f8f2c887ad10bf67f634f005b6987fed3179aac8"
@@ -260,18 +253,11 @@ acorn-dynamic-import@^2.0.0:
   dependencies:
     acorn "^4.0.3"
 
-acorn-node@^1.2.0:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/acorn-node/-/acorn-node-1.3.0.tgz#5f86d73346743810ef1269b901dbcbded020861b"
-  dependencies:
-    acorn "^5.4.1"
-    xtend "^4.0.1"
-
 acorn@^4.0.3:
   version "4.0.13"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-4.0.13.tgz#105495ae5361d697bd195c825192e1ad7f253787"
 
-acorn@^5.0.0, acorn@^5.2.1, acorn@^5.4.1:
+acorn@^5.0.0:
   version "5.5.3"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.5.3.tgz#f473dd47e0277a08e28e9bec5aeeb04751f0b8c9"
 
@@ -436,10 +422,6 @@ arr-union@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/arr-union/-/arr-union-3.1.0.tgz#e39b09aea9def866a8f206e288af63919bae39c4"
 
-array-filter@~0.0.0:
-  version "0.0.1"
-  resolved "https://registry.yarnpkg.com/array-filter/-/array-filter-0.0.1.tgz#7da8cf2e26628ed732803581fd21f67cacd2eeec"
-
 array-find-index@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/array-find-index/-/array-find-index-1.0.2.tgz#df010aa1287e164bbda6f9723b0a96a1ec4187a1"
@@ -459,14 +441,6 @@ array-includes@^3.0.3:
     define-properties "^1.1.2"
     es-abstract "^1.7.0"
 
-array-map@~0.0.0:
-  version "0.0.0"
-  resolved "https://registry.yarnpkg.com/array-map/-/array-map-0.0.0.tgz#88a2bab73d1cf7bcd5c1b118a003f66f665fa662"
-
-array-reduce@~0.0.0:
-  version "0.0.0"
-  resolved "https://registry.yarnpkg.com/array-reduce/-/array-reduce-0.0.0.tgz#173899d3ffd1c7d9383e4479525dbe278cab5f2b"
-
 array-slice@^0.2.3:
   version "0.2.3"
   resolved "https://registry.yarnpkg.com/array-slice/-/array-slice-0.2.3.tgz#dd3cfb80ed7973a75117cdac69b0b99ec86186f5"
@@ -521,7 +495,7 @@ assert-plus@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/assert-plus/-/assert-plus-0.2.0.tgz#d74e1b87e7affc0db8aadb7021f3fe48101ab234"
 
-assert@^1.1.1, assert@^1.4.0:
+assert@^1.1.1:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/assert/-/assert-1.4.1.tgz#99912d591836b5a6f5b345c0f07eefc08fc65d91"
   dependencies:
@@ -535,12 +509,6 @@ ast-types@0.x.x:
   version "0.11.2"
   resolved "https://registry.yarnpkg.com/ast-types/-/ast-types-0.11.2.tgz#cc4e1d15a36b39979a1986fe1e91321cbfae7783"
 
-astw@^2.0.0:
-  version "2.2.0"
-  resolved "https://registry.yarnpkg.com/astw/-/astw-2.2.0.tgz#7bd41784d32493987aeb239b6b4e1c57a873b917"
-  dependencies:
-    acorn "^4.0.3"
-
 async-each@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/async-each/-/async-each-1.0.1.tgz#19d386a1d9edc6e7c1c85d388aedbcc56d33602d"
@@ -865,23 +833,6 @@ brorand@^1.0.1:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/brorand/-/brorand-1.1.0.tgz#12c25efe40a45e3c323eb8675a0a0ce57b22371f"
 
-browser-pack@^6.0.1:
-  version "6.0.4"
-  resolved "https://registry.yarnpkg.com/browser-pack/-/browser-pack-6.0.4.tgz#9a73beb3b48f9e36868be007b64400102c04a99f"
-  dependencies:
-    JSONStream "^1.0.3"
-    combine-source-map "~0.8.0"
-    defined "^1.0.0"
-    safe-buffer "^5.1.1"
-    through2 "^2.0.0"
-    umd "^3.0.0"
-
-browser-resolve@^1.11.0, browser-resolve@^1.7.0:
-  version "1.11.2"
-  resolved "https://registry.yarnpkg.com/browser-resolve/-/browser-resolve-1.11.2.tgz#8ff09b0a2c421718a1051c260b32e48f442938ce"
-  dependencies:
-    resolve "1.1.7"
-
 browserify-aes@^1.0.0, browserify-aes@^1.0.4:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/browserify-aes/-/browserify-aes-1.2.0.tgz#326734642f403dabc3003209853bb70ad428ef48"
@@ -928,64 +879,12 @@ browserify-sign@^4.0.0:
     inherits "^2.0.1"
     parse-asn1 "^5.0.0"
 
-browserify-zlib@^0.2.0, browserify-zlib@~0.2.0:
+browserify-zlib@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/browserify-zlib/-/browserify-zlib-0.2.0.tgz#2869459d9aa3be245fe8fe2ca1f46e2e7f54d73f"
   dependencies:
     pako "~1.0.5"
 
-browserify@^14.5.0:
-  version "14.5.0"
-  resolved "https://registry.yarnpkg.com/browserify/-/browserify-14.5.0.tgz#0bbbce521acd6e4d1d54d8e9365008efb85a9cc5"
-  dependencies:
-    JSONStream "^1.0.3"
-    assert "^1.4.0"
-    browser-pack "^6.0.1"
-    browser-resolve "^1.11.0"
-    browserify-zlib "~0.2.0"
-    buffer "^5.0.2"
-    cached-path-relative "^1.0.0"
-    concat-stream "~1.5.1"
-    console-browserify "^1.1.0"
-    constants-browserify "~1.0.0"
-    crypto-browserify "^3.0.0"
-    defined "^1.0.0"
-    deps-sort "^2.0.0"
-    domain-browser "~1.1.0"
-    duplexer2 "~0.1.2"
-    events "~1.1.0"
-    glob "^7.1.0"
-    has "^1.0.0"
-    htmlescape "^1.1.0"
-    https-browserify "^1.0.0"
-    inherits "~2.0.1"
-    insert-module-globals "^7.0.0"
-    labeled-stream-splicer "^2.0.0"
-    module-deps "^4.0.8"
-    os-browserify "~0.3.0"
-    parents "^1.0.1"
-    path-browserify "~0.0.0"
-    process "~0.11.0"
-    punycode "^1.3.2"
-    querystring-es3 "~0.2.0"
-    read-only-stream "^2.0.0"
-    readable-stream "^2.0.2"
-    resolve "^1.1.4"
-    shasum "^1.0.0"
-    shell-quote "^1.6.1"
-    stream-browserify "^2.0.0"
-    stream-http "^2.0.0"
-    string_decoder "~1.0.0"
-    subarg "^1.0.0"
-    syntax-error "^1.1.1"
-    through2 "^2.0.0"
-    timers-browserify "^1.0.1"
-    tty-browserify "~0.0.0"
-    url "~0.11.0"
-    util "~0.10.1"
-    vm-browserify "~0.0.1"
-    xtend "^4.0.0"
-
 browserslist@^2.11.3:
   version "2.11.3"
   resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-2.11.3.tgz#fe36167aed1bbcde4827ebfe71347a2cc70b99b2"
@@ -1017,13 +916,6 @@ buffer@^4.3.0:
     ieee754 "^1.1.4"
     isarray "^1.0.0"
 
-buffer@^5.0.2:
-  version "5.1.0"
-  resolved "https://registry.yarnpkg.com/buffer/-/buffer-5.1.0.tgz#c913e43678c7cb7c8bd16afbcddb6c5505e8f9fe"
-  dependencies:
-    base64-js "^1.0.2"
-    ieee754 "^1.1.4"
-
 buildmail@4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/buildmail/-/buildmail-4.0.1.tgz#877f7738b78729871c9a105e3b837d2be11a7a72"
@@ -1089,10 +981,6 @@ cache-loader@^1.2.0:
     neo-async "^2.5.0"
     schema-utils "^0.4.2"
 
-cached-path-relative@^1.0.0:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/cached-path-relative/-/cached-path-relative-1.0.1.tgz#d09c4b52800aa4c078e2dd81a869aac90d2e54e7"
-
 callsite@1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/callsite/-/callsite-1.0.0.tgz#280398e5d664bd74038b6f0905153e6e8af1bc20"
@@ -1318,24 +1206,6 @@ combine-lists@^1.0.0:
   dependencies:
     lodash "^4.5.0"
 
-combine-source-map@~0.7.1:
-  version "0.7.2"
-  resolved "https://registry.yarnpkg.com/combine-source-map/-/combine-source-map-0.7.2.tgz#0870312856b307a87cc4ac486f3a9a62aeccc09e"
-  dependencies:
-    convert-source-map "~1.1.0"
-    inline-source-map "~0.6.0"
-    lodash.memoize "~3.0.3"
-    source-map "~0.5.3"
-
-combine-source-map@~0.8.0:
-  version "0.8.0"
-  resolved "https://registry.yarnpkg.com/combine-source-map/-/combine-source-map-0.8.0.tgz#a58d0df042c186fcf822a8e8015f5450d2d79a8b"
-  dependencies:
-    convert-source-map "~1.1.0"
-    inline-source-map "~0.6.0"
-    lodash.memoize "~3.0.3"
-    source-map "~0.5.3"
-
 combined-stream@1.0.6, combined-stream@^1.0.5, combined-stream@~1.0.5:
   version "1.0.6"
   resolved "https://registry.yarnpkg.com/combined-stream/-/combined-stream-1.0.6.tgz#723e7df6e801ac5613113a7e445a9b69cb632818"
@@ -1411,14 +1281,6 @@ concat-stream@^1.5.0:
     readable-stream "^2.2.2"
     typedarray "^0.0.6"
 
-concat-stream@~1.5.0, concat-stream@~1.5.1:
-  version "1.5.2"
-  resolved "https://registry.yarnpkg.com/concat-stream/-/concat-stream-1.5.2.tgz#708978624d856af41a5a741defdd261da752c266"
-  dependencies:
-    inherits "~2.0.1"
-    readable-stream "~2.0.0"
-    typedarray "~0.0.5"
-
 connect-history-api-fallback@^1.3.0:
   version "1.5.0"
   resolved "https://registry.yarnpkg.com/connect-history-api-fallback/-/connect-history-api-fallback-1.5.0.tgz#b06873934bc5e344fef611a196a6faae0aee015a"
@@ -1442,7 +1304,7 @@ console-control-strings@^1.0.0, console-control-strings@~1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/console-control-strings/-/console-control-strings-1.1.0.tgz#3d7cf4464db6446ea644bf4b39507f9851008e8e"
 
-constants-browserify@^1.0.0, constants-browserify@~1.0.0:
+constants-browserify@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/constants-browserify/-/constants-browserify-1.0.0.tgz#c20b96d8c617748aaf1c16021760cd27fcb8cb75"
 
@@ -1458,10 +1320,6 @@ convert-source-map@^1.5.0:
   version "1.5.1"
   resolved "https://registry.yarnpkg.com/convert-source-map/-/convert-source-map-1.5.1.tgz#b8278097b9bc229365de5c62cf5fcaed8b5599e5"
 
-convert-source-map@~1.1.0:
-  version "1.1.3"
-  resolved "https://registry.yarnpkg.com/convert-source-map/-/convert-source-map-1.1.3.tgz#4829c877e9fe49b3161f3bf3673888e204699860"
-
 cookie-signature@1.0.6:
   version "1.0.6"
   resolved "https://registry.yarnpkg.com/cookie-signature/-/cookie-signature-1.0.6.tgz#e303a882b342cc3ee8ca513a79999734dab3ae2c"
@@ -1582,7 +1440,7 @@ cryptiles@3.x.x:
   dependencies:
     boom "5.x.x"
 
-crypto-browserify@^3.0.0, crypto-browserify@^3.11.0:
+crypto-browserify@^3.11.0:
   version "3.12.0"
   resolved "https://registry.yarnpkg.com/crypto-browserify/-/crypto-browserify-3.12.0.tgz#396cf9f3137f03e4b8e532c58f698254e00f80ec"
   dependencies:
@@ -1745,10 +1603,6 @@ define-property@^2.0.2:
     is-descriptor "^1.0.2"
     isobject "^3.0.1"
 
-defined@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/defined/-/defined-1.0.0.tgz#c98d9bcef75674188e110969151199e39b1fa693"
-
 degenerator@~1.0.2:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/degenerator/-/degenerator-1.0.4.tgz#fcf490a37ece266464d9cc431ab98c5819ced095"
@@ -1800,15 +1654,6 @@ depd@~1.1.1, depd@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/depd/-/depd-1.1.2.tgz#9bcd52e14c097763e749b274c4346ed2e560b5a9"
 
-deps-sort@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/deps-sort/-/deps-sort-2.0.0.tgz#091724902e84658260eb910748cccd1af6e21fb5"
-  dependencies:
-    JSONStream "^1.0.3"
-    shasum "^1.0.0"
-    subarg "^1.0.0"
-    through2 "^2.0.0"
-
 des.js@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/des.js/-/des.js-1.0.0.tgz#c074d2e2aa6a8a9a07dbd61f9a15c2cd83ec8ecc"
@@ -1834,13 +1679,6 @@ detect-node@^2.0.3:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/detect-node/-/detect-node-2.0.3.tgz#a2033c09cc8e158d37748fbde7507832bd6ce127"
 
-detective@^4.0.0:
-  version "4.7.1"
-  resolved "https://registry.yarnpkg.com/detective/-/detective-4.7.1.tgz#0eca7314338442febb6d65da54c10bb1c82b246e"
-  dependencies:
-    acorn "^5.2.1"
-    defined "^1.0.0"
-
 di@^0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/di/-/di-0.0.1.tgz#806649326ceaa7caa3306d75d985ea2748ba913c"
@@ -1907,10 +1745,6 @@ domain-browser@^1.1.1:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/domain-browser/-/domain-browser-1.2.0.tgz#3d31f50191a6749dd1375a7f522e823d42e54eda"
 
-domain-browser@~1.1.0:
-  version "1.1.7"
-  resolved "https://registry.yarnpkg.com/domain-browser/-/domain-browser-1.1.7.tgz#867aa4b093faa05f1de08c06f4d7b21fdf8698bc"
-
 domelementtype@1:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/domelementtype/-/domelementtype-1.3.0.tgz#b17aed82e8ab59e52dd9c19b1756e0fc187204c2"
@@ -1942,12 +1776,6 @@ double-ended-queue@^2.1.0-0:
   version "2.1.0-0"
   resolved "https://registry.yarnpkg.com/double-ended-queue/-/double-ended-queue-2.1.0-0.tgz#103d3527fd31528f40188130c841efdd78264e5c"
 
-duplexer2@^0.1.2, duplexer2@~0.1.0, duplexer2@~0.1.2:
-  version "0.1.4"
-  resolved "https://registry.yarnpkg.com/duplexer2/-/duplexer2-0.1.4.tgz#8b12dab878c0d69e3e7891051662a32fc6bddcc1"
-  dependencies:
-    readable-stream "^2.0.2"
-
 duplexify@^3.4.2, duplexify@^3.5.3:
   version "3.5.4"
   resolved "https://registry.yarnpkg.com/duplexify/-/duplexify-3.5.4.tgz#4bb46c1796eabebeec4ca9a2e66b808cb7a3d8b4"
@@ -2243,7 +2071,7 @@ eventemitter3@1.x.x:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/eventemitter3/-/eventemitter3-1.2.0.tgz#1c86991d816ad1e504750e73874224ecf3bec508"
 
-events@^1.0.0, events@~1.1.0:
+events@^1.0.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/events/-/events-1.1.1.tgz#9ebdb7635ad099c70dcc4c2a1f5004288e8bd924"
 
@@ -2768,7 +2596,7 @@ glob@^6.0.4:
     once "^1.3.0"
     path-is-absolute "^1.0.0"
 
-glob@^7.0.0, glob@^7.0.3, glob@^7.0.5, glob@^7.0.6, glob@^7.1.0, glob@^7.1.1, glob@^7.1.2, glob@~7.1.1:
+glob@^7.0.0, glob@^7.0.3, glob@^7.0.5, glob@^7.0.6, glob@^7.1.1, glob@^7.1.2, glob@~7.1.1:
   version "7.1.2"
   resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.2.tgz#c19c9df9a028702d678612384a6552404c636d15"
   dependencies:
@@ -2931,7 +2759,7 @@ has-values@^1.0.0:
     is-number "^3.0.0"
     kind-of "^4.0.0"
 
-has@^1.0.0, has@^1.0.1:
+has@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/has/-/has-1.0.1.tgz#8461733f538b0837c9361e39a9ab9e9704dc2f28"
   dependencies:
@@ -3042,10 +2870,6 @@ html-webpack-plugin@^2.29.0:
     pretty-error "^2.0.2"
     toposort "^1.0.0"
 
-htmlescape@^1.1.0:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/htmlescape/-/htmlescape-1.1.1.tgz#3a03edc2214bca3b66424a3e7959349509cb0351"
-
 htmlparser2@~3.3.0:
   version "3.3.0"
   resolved "https://registry.yarnpkg.com/htmlparser2/-/htmlparser2-3.3.0.tgz#cc70d05a59f6542e43f0e685c982e14c924a9efe"
@@ -3235,25 +3059,6 @@ ini@~1.3.0:
   version "1.3.5"
   resolved "https://registry.yarnpkg.com/ini/-/ini-1.3.5.tgz#eee25f56db1c9ec6085e0c22778083f596abf927"
 
-inline-source-map@~0.6.0:
-  version "0.6.2"
-  resolved "https://registry.yarnpkg.com/inline-source-map/-/inline-source-map-0.6.2.tgz#f9393471c18a79d1724f863fa38b586370ade2a5"
-  dependencies:
-    source-map "~0.5.3"
-
-insert-module-globals@^7.0.0:
-  version "7.0.2"
-  resolved "https://registry.yarnpkg.com/insert-module-globals/-/insert-module-globals-7.0.2.tgz#012c56baa7d3307a8b417d4ec5270cf9741c18f4"
-  dependencies:
-    JSONStream "^1.0.3"
-    combine-source-map "~0.7.1"
-    concat-stream "~1.5.1"
-    is-buffer "^1.1.0"
-    lexical-scope "^1.2.0"
-    process "~0.11.0"
-    through2 "^2.0.0"
-    xtend "^4.0.0"
-
 internal-ip@1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/internal-ip/-/internal-ip-1.2.0.tgz#ae9fbf93b984878785d50a8de1b356956058cf5c"
@@ -3308,7 +3113,7 @@ is-binary-path@^1.0.0:
   dependencies:
     binary-extensions "^1.0.0"
 
-is-buffer@^1.1.0, is-buffer@^1.1.5:
+is-buffer@^1.1.5:
   version "1.1.6"
   resolved "https://registry.yarnpkg.com/is-buffer/-/is-buffer-1.1.6.tgz#efaa2ea9daa0d7ab2ea13a97b2b8ad51fefbe8be"
 
@@ -3524,7 +3329,7 @@ is-wsl@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/is-wsl/-/is-wsl-1.1.0.tgz#1f16e4aa22b04d1336b66188a66af3c600c3a66d"
 
-isarray@0.0.1, isarray@~0.0.1:
+isarray@0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/isarray/-/isarray-0.0.1.tgz#8a18acfca9a8f4177e09abfc6038939b05d1eedf"
 
@@ -3709,12 +3514,6 @@ json-stable-stringify@^1.0.1:
   dependencies:
     jsonify "~0.0.0"
 
-json-stable-stringify@~0.0.0:
-  version "0.0.1"
-  resolved "https://registry.yarnpkg.com/json-stable-stringify/-/json-stable-stringify-0.0.1.tgz#611c23e814db375527df851193db59dd2af27f45"
-  dependencies:
-    jsonify "~0.0.0"
-
 json-stringify-safe@5.0.x, json-stringify-safe@~5.0.1:
   version "5.0.1"
   resolved "https://registry.yarnpkg.com/json-stringify-safe/-/json-stringify-safe-5.0.1.tgz#1296a2d58fd45f19a0f6ce01d65701e2c735b6eb"
@@ -3737,10 +3536,6 @@ jsonify@~0.0.0:
   version "0.0.0"
   resolved "https://registry.yarnpkg.com/jsonify/-/jsonify-0.0.0.tgz#2c74b6ee41d93ca51b7b5aaee8f503631d252a73"
 
-jsonparse@^1.2.0:
-  version "1.3.1"
-  resolved "https://registry.yarnpkg.com/jsonparse/-/jsonparse-1.3.1.tgz#3f4dae4a91fac315f71062f8521cc239f1366280"
-
 jsonpointer@^4.0.0:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/jsonpointer/-/jsonpointer-4.0.1.tgz#4fd92cb34e0e9db3c89c8622ecf51f9b978c6cb9"
@@ -3804,13 +3599,12 @@ karma-source-map-support@^1.2.0:
   dependencies:
     source-map-support "^0.4.1"
 
-karma@~2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/karma/-/karma-2.0.0.tgz#a02698dd7f0f05ff5eb66ab8f65582490b512e58"
+karma@~2.0.2:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/karma/-/karma-2.0.2.tgz#4d2db9402850a66551fa784b0164fb0824ed8c4b"
   dependencies:
     bluebird "^3.3.0"
     body-parser "^1.16.1"
-    browserify "^14.5.0"
     chokidar "^1.4.1"
     colors "^1.1.0"
     combine-lists "^1.0.0"
@@ -3835,7 +3629,7 @@ karma@~2.0.0:
     socket.io "2.0.4"
     source-map "^0.6.1"
     tmp "0.0.33"
-    useragent "^2.1.12"
+    useragent "2.2.1"
 
 killable@^1.0.0:
   version "1.0.0"
@@ -3861,14 +3655,6 @@ kind-of@^6.0.0, kind-of@^6.0.2:
   version "6.0.2"
   resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-6.0.2.tgz#01146b36a6218e64e58f3a8d66de5d7fc6f6d051"
 
-labeled-stream-splicer@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/labeled-stream-splicer/-/labeled-stream-splicer-2.0.0.tgz#a52e1d138024c00b86b1c0c91f677918b8ae0a59"
-  dependencies:
-    inherits "^2.0.1"
-    isarray "~0.0.1"
-    stream-splicer "^2.0.0"
-
 lazy-cache@^1.0.3:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/lazy-cache/-/lazy-cache-1.0.4.tgz#a1d78fc3a50474cb80845d3b3b6e1da49a446e8e"
@@ -3907,12 +3693,6 @@ levn@~0.3.0:
     prelude-ls "~1.1.2"
     type-check "~0.3.2"
 
-lexical-scope@^1.2.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/lexical-scope/-/lexical-scope-1.2.0.tgz#fcea5edc704a4b3a8796cdca419c3a0afaf22df4"
-  dependencies:
-    astw "^2.0.0"
-
 libbase64@0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/libbase64/-/libbase64-0.1.0.tgz#62351a839563ac5ff5bd26f12f60e9830bb751e6"
@@ -3996,10 +3776,6 @@ lodash.clonedeep@^4.3.2, lodash.clonedeep@^4.5.0:
   version "4.5.0"
   resolved "https://registry.yarnpkg.com/lodash.clonedeep/-/lodash.clonedeep-4.5.0.tgz#e23f3f9c4f8fbdde872529c1071857a086e5ccef"
 
-lodash.memoize@~3.0.3:
-  version "3.0.4"
-  resolved "https://registry.yarnpkg.com/lodash.memoize/-/lodash.memoize-3.0.4.tgz#2dcbd2c287cbc0a55cc42328bd0c736150d53e3f"
-
 lodash.mergewith@^4.6.0:
   version "4.6.1"
   resolved "https://registry.yarnpkg.com/lodash.mergewith/-/lodash.mergewith-4.6.1.tgz#639057e726c3afbdb3e7d42741caa8d6e4335927"
@@ -4260,7 +4036,7 @@ minimist@0.0.8:
   version "0.0.8"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
 
-minimist@^1.1.0, minimist@^1.1.3, minimist@^1.2.0:
+minimist@^1.1.3, minimist@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
 
@@ -4303,26 +4079,6 @@ mkdirp@0.5.x, "mkdirp@>=0.5 0", mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@~0.5.0:
   dependencies:
     minimist "0.0.8"
 
-module-deps@^4.0.8:
-  version "4.1.1"
-  resolved "https://registry.yarnpkg.com/module-deps/-/module-deps-4.1.1.tgz#23215833f1da13fd606ccb8087b44852dcb821fd"
-  dependencies:
-    JSONStream "^1.0.3"
-    browser-resolve "^1.7.0"
-    cached-path-relative "^1.0.0"
-    concat-stream "~1.5.0"
-    defined "^1.0.0"
-    detective "^4.0.0"
-    duplexer2 "^0.1.2"
-    inherits "^2.0.1"
-    parents "^1.0.0"
-    readable-stream "^2.0.2"
-    resolve "^1.1.3"
-    stream-combiner2 "^1.1.1"
-    subarg "^1.0.0"
-    through2 "^2.0.0"
-    xtend "^4.0.0"
-
 moment@^2.22.1:
   version "2.22.1"
   resolved "https://registry.yarnpkg.com/moment/-/moment-2.22.1.tgz#529a2e9bf973f259c9643d237fda84de3a26e8ad"
@@ -4719,7 +4475,7 @@ original@>=0.0.5:
   dependencies:
     url-parse "1.0.x"
 
-os-browserify@^0.3.0, os-browserify@~0.3.0:
+os-browserify@^0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/os-browserify/-/os-browserify-0.3.0.tgz#854373c7f5c2315914fc9bfc6bd8238fdda1ec27"
 
@@ -4818,12 +4574,6 @@ param-case@2.1.x:
   dependencies:
     no-case "^2.2.0"
 
-parents@^1.0.0, parents@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/parents/-/parents-1.0.1.tgz#fedd4d2bf193a77745fe71e371d73c3307d9c751"
-  dependencies:
-    path-platform "~0.11.15"
-
 parse-asn1@^5.0.0:
   version "5.1.0"
   resolved "https://registry.yarnpkg.com/parse-asn1/-/parse-asn1-5.1.0.tgz#37c4f9b7ed3ab65c74817b5f2480937fbf97c712"
@@ -4869,7 +4619,7 @@ pascalcase@^0.1.1:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/pascalcase/-/pascalcase-0.1.1.tgz#b363e55e8006ca6fe21784d2db22bd15d7917f14"
 
-path-browserify@0.0.0, path-browserify@~0.0.0:
+path-browserify@0.0.0:
   version "0.0.0"
   resolved "https://registry.yarnpkg.com/path-browserify/-/path-browserify-0.0.0.tgz#a0b870729aae214005b7d5032ec2cbbb0fb4451a"
 
@@ -4903,10 +4653,6 @@ path-parse@^1.0.5:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/path-parse/-/path-parse-1.0.5.tgz#3c1adf871ea9cd6c9431b6ea2bd74a0ff055c4c1"
 
-path-platform@~0.11.15:
-  version "0.11.15"
-  resolved "https://registry.yarnpkg.com/path-platform/-/path-platform-0.11.15.tgz#e864217f74c36850f0852b78dc7bf7d4a5721bf2"
-
 path-proxy@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/path-proxy/-/path-proxy-1.0.0.tgz#18e8a36859fc9d2f1a53b48dee138543c020de5e"
@@ -5077,7 +4823,7 @@ process-nextick-args@~2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-2.0.0.tgz#a37d732f4271b4ab1ad070d35508e8290788ffaa"
 
-process@^0.11.10, process@~0.11.0:
+process@^0.11.10:
   version "0.11.10"
   resolved "https://registry.yarnpkg.com/process/-/process-0.11.10.tgz#7332300e840161bda3e69a1d1d91a7d4bc16f182"
 
@@ -5168,7 +4914,7 @@ punycode@1.3.2:
   version "1.3.2"
   resolved "https://registry.yarnpkg.com/punycode/-/punycode-1.3.2.tgz#9653a036fb7c1ee42342f2325cceefea3926c48d"
 
-punycode@1.4.1, punycode@^1.2.4, punycode@^1.3.2, punycode@^1.4.1:
+punycode@1.4.1, punycode@^1.2.4, punycode@^1.4.1:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/punycode/-/punycode-1.4.1.tgz#c0d5a63b2718800ad8e1eb0fa5269c84dd41845e"
 
@@ -5208,7 +4954,7 @@ qs@~6.4.0:
   version "6.4.0"
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.4.0.tgz#13e26d28ad6b0ffaa91312cd3bf708ed351e7233"
 
-querystring-es3@^0.2.0, querystring-es3@~0.2.0:
+querystring-es3@^0.2.0:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/querystring-es3/-/querystring-es3-0.2.1.tgz#9ec61f79049875707d69414596fd907a4d711e73"
 
@@ -5276,12 +5022,6 @@ read-cache@^1.0.0:
   dependencies:
     pify "^2.3.0"
 
-read-only-stream@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/read-only-stream/-/read-only-stream-2.0.0.tgz#2724fd6a8113d73764ac288d4386270c1dbf17f0"
-  dependencies:
-    readable-stream "^2.0.2"
-
 read-pkg-up@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/read-pkg-up/-/read-pkg-up-1.0.1.tgz#9d63c13276c065918d57f002a57f40a1b643fb02"
@@ -5354,7 +5094,7 @@ readable-stream@2, readable-stream@^2.3.0:
     string_decoder "~1.0.3"
     util-deprecate "~1.0.1"
 
-readable-stream@~2.0.0, readable-stream@~2.0.5, readable-stream@~2.0.6:
+readable-stream@~2.0.5, readable-stream@~2.0.6:
   version "2.0.6"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.0.6.tgz#8f90341e68a53ccc928788dacfcd11b36eb9b78e"
   dependencies:
@@ -5647,11 +5387,7 @@ resolve-url@^0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/resolve-url/-/resolve-url-0.2.1.tgz#2c637fe77c893afd2a663fe21aa9080068e2052a"
 
-resolve@1.1.7:
-  version "1.1.7"
-  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.1.7.tgz#203114d82ad2c5ed9e8e0411b3932875e889e97b"
-
-resolve@^1.1.3, resolve@^1.1.4, resolve@^1.1.6, resolve@^1.3.2:
+resolve@^1.1.6, resolve@^1.3.2:
   version "1.5.0"
   resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.5.0.tgz#1f09acce796c9a762579f31b2c1cc4c3cddf9f36"
   dependencies:
@@ -5910,13 +5646,6 @@ sha.js@^2.4.0, sha.js@^2.4.8:
     inherits "^2.0.1"
     safe-buffer "^5.0.1"
 
-sha.js@~2.4.4:
-  version "2.4.10"
-  resolved "https://registry.yarnpkg.com/sha.js/-/sha.js-2.4.10.tgz#b1fde5cd7d11a5626638a07c604ab909cfa31f9b"
-  dependencies:
-    inherits "^2.0.1"
-    safe-buffer "^5.0.1"
-
 shallow-clone@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/shallow-clone/-/shallow-clone-1.0.0.tgz#4480cd06e882ef68b2ad88a3ea54832e2c48b571"
@@ -5925,13 +5654,6 @@ shallow-clone@^1.0.0:
     kind-of "^5.0.0"
     mixin-object "^2.0.1"
 
-shasum@^1.0.0:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/shasum/-/shasum-1.0.2.tgz#e7012310d8f417f4deb5712150e5678b87ae565f"
-  dependencies:
-    json-stable-stringify "~0.0.0"
-    sha.js "~2.4.4"
-
 shebang-command@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/shebang-command/-/shebang-command-1.2.0.tgz#44aac65b695b03398968c39f363fee5deafdf1ea"
@@ -5942,15 +5664,6 @@ shebang-regex@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/shebang-regex/-/shebang-regex-1.0.0.tgz#da42f49740c0b42db2ca9728571cb190c98efea3"
 
-shell-quote@^1.6.1:
-  version "1.6.1"
-  resolved "https://registry.yarnpkg.com/shell-quote/-/shell-quote-1.6.1.tgz#f4781949cce402697127430ea3b3c5476f481767"
-  dependencies:
-    array-filter "~0.0.0"
-    array-map "~0.0.0"
-    array-reduce "~0.0.0"
-    jsonify "~0.0.0"
-
 signal-exit@^3.0.0:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.2.tgz#b5fdc08f1287ea1178628e415e25132b73646c6d"
@@ -6169,7 +5882,7 @@ source-map@0.1.x:
   dependencies:
     amdefine ">=0.0.4"
 
-source-map@0.5.x, source-map@^0.5.3, source-map@^0.5.6, source-map@^0.5.7, source-map@~0.5.1, source-map@~0.5.3:
+source-map@0.5.x, source-map@^0.5.3, source-map@^0.5.6, source-map@^0.5.7, source-map@~0.5.1:
   version "0.5.7"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.7.tgz#8a039d2d1021d22d1ea14c80d8ea468ba2ef3fcc"
 
@@ -6287,20 +6000,13 @@ stdout-stream@^1.4.0:
   dependencies:
     readable-stream "^2.0.1"
 
-stream-browserify@^2.0.0, stream-browserify@^2.0.1:
+stream-browserify@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/stream-browserify/-/stream-browserify-2.0.1.tgz#66266ee5f9bdb9940a4e4514cafb43bb71e5c9db"
   dependencies:
     inherits "~2.0.1"
     readable-stream "^2.0.2"
 
-stream-combiner2@^1.1.1:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/stream-combiner2/-/stream-combiner2-1.1.1.tgz#fb4d8a1420ea362764e21ad4780397bebcb41cbe"
-  dependencies:
-    duplexer2 "~0.1.0"
-    readable-stream "^2.0.2"
-
 stream-each@^1.1.0:
   version "1.2.2"
   resolved "https://registry.yarnpkg.com/stream-each/-/stream-each-1.2.2.tgz#8e8c463f91da8991778765873fe4d960d8f616bd"
@@ -6308,16 +6014,6 @@ stream-each@^1.1.0:
     end-of-stream "^1.1.0"
     stream-shift "^1.0.0"
 
-stream-http@^2.0.0:
-  version "2.8.0"
-  resolved "https://registry.yarnpkg.com/stream-http/-/stream-http-2.8.0.tgz#fd86546dac9b1c91aff8fc5d287b98fafb41bc10"
-  dependencies:
-    builtin-status-codes "^3.0.0"
-    inherits "^2.0.1"
-    readable-stream "^2.3.3"
-    to-arraybuffer "^1.0.0"
-    xtend "^4.0.0"
-
 stream-http@^2.7.2:
   version "2.8.1"
   resolved "https://registry.yarnpkg.com/stream-http/-/stream-http-2.8.1.tgz#d0441be1a457a73a733a8a7b53570bebd9ef66a4"
@@ -6332,13 +6028,6 @@ stream-shift@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/stream-shift/-/stream-shift-1.0.0.tgz#d5c752825e5367e786f78e18e445ea223a155952"
 
-stream-splicer@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/stream-splicer/-/stream-splicer-2.0.0.tgz#1b63be438a133e4b671cc1935197600175910d83"
-  dependencies:
-    inherits "^2.0.1"
-    readable-stream "^2.0.2"
-
 streamroller@^0.7.0:
   version "0.7.0"
   resolved "https://registry.yarnpkg.com/streamroller/-/streamroller-0.7.0.tgz#a1d1b7cf83d39afb0d63049a5acbf93493bdf64b"
@@ -6373,7 +6062,7 @@ string_decoder@~0.10.x:
   version "0.10.31"
   resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-0.10.31.tgz#62e203bc41766c6c28c9fc84301dab1c5310fa94"
 
-string_decoder@~1.0.0, string_decoder@~1.0.3:
+string_decoder@~1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.0.3.tgz#0fc67d7c141825de94282dd536bec6b9bce860ab"
   dependencies:
@@ -6445,12 +6134,6 @@ stylus@^0.54.5:
     sax "0.5.x"
     source-map "0.1.x"
 
-subarg@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/subarg/-/subarg-1.0.0.tgz#f62cf17581e996b48fc965699f54c06ae268b8d2"
-  dependencies:
-    minimist "^1.1.0"
-
 supports-color@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-2.0.0.tgz#535d045ce6b6363fa40117084629995e9df324c7"
@@ -6477,12 +6160,6 @@ symbol-observable@1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/symbol-observable/-/symbol-observable-1.0.1.tgz#8340fc4702c3122df5d22288f88283f513d3fdd4"
 
-syntax-error@^1.1.1:
-  version "1.4.0"
-  resolved "https://registry.yarnpkg.com/syntax-error/-/syntax-error-1.4.0.tgz#2d9d4ff5c064acb711594a3e3b95054ad51d907c"
-  dependencies:
-    acorn-node "^1.2.0"
-
 tapable@^0.2.7:
   version "0.2.8"
   resolved "https://registry.yarnpkg.com/tapable/-/tapable-0.2.8.tgz#99372a5c999bf2df160afc0d74bed4f47948cd22"
@@ -6515,7 +6192,7 @@ through2@^2.0.0:
     readable-stream "^2.1.5"
     xtend "~4.0.1"
 
-"through@>=2.2.7 <3", through@X.X.X:
+through@X.X.X:
   version "2.3.8"
   resolved "https://registry.yarnpkg.com/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
 
@@ -6531,12 +6208,6 @@ time-stamp@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/time-stamp/-/time-stamp-2.0.0.tgz#95c6a44530e15ba8d6f4a3ecb8c3a3fac46da357"
 
-timers-browserify@^1.0.1:
-  version "1.4.2"
-  resolved "https://registry.yarnpkg.com/timers-browserify/-/timers-browserify-1.4.2.tgz#c9c58b575be8407375cb5e2462dacee74359f41d"
-  dependencies:
-    process "~0.11.0"
-
 timers-browserify@^2.0.4:
   version "2.0.6"
   resolved "https://registry.yarnpkg.com/timers-browserify/-/timers-browserify-2.0.6.tgz#241e76927d9ca05f4d959819022f5b3664b64bae"
@@ -6686,10 +6357,6 @@ tty-browserify@0.0.0:
   version "0.0.0"
   resolved "https://registry.yarnpkg.com/tty-browserify/-/tty-browserify-0.0.0.tgz#a157ba402da24e9bf957f9aa69d524eed42901a6"
 
-tty-browserify@~0.0.0:
-  version "0.0.1"
-  resolved "https://registry.yarnpkg.com/tty-browserify/-/tty-browserify-0.0.1.tgz#3f05251ee17904dfd0677546670db9651682b811"
-
 tunnel-agent@^0.6.0:
   version "0.6.0"
   resolved "https://registry.yarnpkg.com/tunnel-agent/-/tunnel-agent-0.6.0.tgz#27a5dea06b36b04a0a9966774b290868f0fc40fd"
@@ -6717,7 +6384,7 @@ type-is@~1.6.15, type-is@~1.6.16:
     media-typer "0.3.0"
     mime-types "~2.1.18"
 
-typedarray@^0.0.6, typedarray@~0.0.5:
+typedarray@^0.0.6:
   version "0.0.6"
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
 
@@ -6789,10 +6456,6 @@ ultron@~1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/ultron/-/ultron-1.1.0.tgz#b07a2e6a541a815fc6a34ccd4533baec307ca864"
 
-umd@^3.0.0:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/umd/-/umd-3.0.1.tgz#8ae556e11011f63c2596708a8837259f01b3d60e"
-
 underscore@~1.7.0:
   version "1.7.0"
   resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.7.0.tgz#6bbaf0877500d36be34ecaa584e0db9fef035209"
@@ -6873,7 +6536,7 @@ url-parse@^1.1.8:
     querystringify "~1.0.0"
     requires-port "~1.0.0"
 
-url@^0.11.0, url@~0.11.0:
+url@^0.11.0:
   version "0.11.0"
   resolved "https://registry.yarnpkg.com/url/-/url-0.11.0.tgz#3838e97cfc60521eb73c525a8e55bfdd9e2e28f1"
   dependencies:
@@ -6886,7 +6549,7 @@ use@^3.1.0:
   dependencies:
     kind-of "^6.0.2"
 
-useragent@^2.1.12:
+useragent@2.2.1:
   version "2.2.1"
   resolved "https://registry.yarnpkg.com/useragent/-/useragent-2.2.1.tgz#cf593ef4f2d175875e8bb658ea92e18a4fd06d8e"
   dependencies:
@@ -6897,7 +6560,7 @@ util-deprecate@~1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"
 
-util@0.10.3, util@^0.10.3, util@~0.10.1:
+util@0.10.3, util@^0.10.3:
   version "0.10.3"
   resolved "https://registry.yarnpkg.com/util/-/util-0.10.3.tgz#7afb1afe50805246489e3db7fe0ed379336ac0f9"
   dependencies:
@@ -6946,7 +6609,7 @@ vlq@^0.2.2:
   version "0.2.3"
   resolved "https://registry.yarnpkg.com/vlq/-/vlq-0.2.3.tgz#8f3e4328cf63b1540c0d67e1b2778386f8975b26"
 
-vm-browserify@0.0.4, vm-browserify@~0.0.1:
+vm-browserify@0.0.4:
   version "0.0.4"
   resolved "https://registry.yarnpkg.com/vm-browserify/-/vm-browserify-0.0.4.tgz#5d7ea45bbef9e4a6ff65f95438e0a87c357d5a73"
   dependencies:
@@ -7208,7 +6871,7 @@ xregexp@2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/xregexp/-/xregexp-2.0.0.tgz#52a63e56ca0b84a7f3a5f3d61872f126ad7a5943"
 
-xtend@^4.0.0, xtend@^4.0.1, xtend@~4.0.1:
+xtend@^4.0.0, xtend@~4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.1.tgz#a5c6d532be656e23db820efb943a1f04998d63af"