Feature/perf3.7 enhancements (#75)

* fix for broken integration tests

* moved immutable from devDependencies to normal dependencies

* updates to fix circleci build failure

* fix for double &&

* updated version and added updated error handling dependency

* changes to consumer to ensure processing is completed before committing a message

* version number update

* reverted removal of notifications

* version update

* reverted code for notifications being sent to both fsps on successful fulfil

* updates for partitioning the notification topic

* version update

* added config for fulfil prepare and get

* First instrumentation code - prom-client lib implementation with transfer prepare example

* updates to include performance metrics

* updated metric name to follow standards

* removed ip for dns

* updated instrumentation code to startup with server, updated config

* removed caret

* updated headers

* templatized the prefix for instrumentation metrics

* added metrics endpoint for notification handler and updated tests

* added topic configuration for Kafka Producers

config/default.json

@@ -102,6 +102,9 @@
               "api.version.request": true,
               "dr_cb": true,
               "partitioner": "random"
+            },
+            "topicConf": {
+              "request.required.acks": "all"
             }
           }
         },
@@ -125,6 +128,9 @@
               "api.version.request": true,
               "dr_cb": true,
               "partitioner": "random"
+            },
+            "topicConf": {
+              "request.required.acks": "all"
             }
           }
         },
@@ -148,6 +154,9 @@
               "api.version.request": true,
               "dr_cb": true,
               "partitioner": "random"
+            },
+            "topicConf": {
+              "request.required.acks": "all"
             }
           }
         }