III-290: Bump required node version up to 0.12 and remove unused node…

…-curl dependency

You'll probably receive a Karma warning for node.js but things are fine, see: karma-runner/karma#1378

package.json

@@ -23,7 +23,7 @@
     "grunt-filerev": "^0.2.1",
     "grunt-google-cdn": "^0.4.0",
     "grunt-jscs": "^1.5.0",
-    "grunt-karma": "^0.9.0",
+    "grunt-karma": "^0.10.0",
     "grunt-karma-coveralls": "^2.5.3",
     "grunt-newer": "^0.7.0",
     "grunt-ng-annotate": "^0.3.0",
@@ -37,12 +37,11 @@
     "karma-jasmine": "^0.1.5",
     "karma-phantomjs-launcher": "^0.1.4",
     "load-grunt-tasks": "^0.4.0",
-    "node-curl": "^0.3.3",
     "time-grunt": "^0.3.1",
     "xml2js": "^0.4.4"
   },
   "engines": {
-    "node": ">=0.10.0"
+    "node": ">=0.12.0"
   },
   "scripts": {
     "test": "grunt test",