DM-7789: JavaScript unit testing

  - add jsTest into gradle 'test'
  - remove .babelrc
  - remove karma.config.js files
  - remove unused libraries related to testing, ie.  karma, istanbul, rewire, sinon.

Author: loitly

package.json

@@ -47,44 +47,25 @@
   "devDependencies": {
     "postcss-loader": "^0.11.1",
     "css-loader"        : "^0.19.0",
+    "script-loader": "^0.6.1",
+    "style-loader": "^0.12.3",
+    "url-loader": "^0.5.7",
+    "file-loader": "^0.9.0",
+    "html-webpack-plugin": "^1.6.1",
+    "extract-text-webpack-plugin": "^0.8.0",
     "eslint"            : "^3.4.0",
     "eslint-loader"     : "^1.5.0",
     "eslint-plugin-react": "^6.2.0",
-    "chai": "^3.5.0",
-    "clean-webpack-plugin": "^0.1.3",
-    "coveralls": "^2.11.2",
-    "esprima-fb": "^14001.1.0-dev-harmony-fb",
-    "extract-text-webpack-plugin": "^0.8.0",
-    "file-loader": "^0.9.0",
-    "html-webpack-plugin": "^1.6.1",
-    "istanbul": "^0.3.13",
-    "istanbul-instrumenter-loader": "^0.1.2",
+    "eslint-plugin-jsx-a11y": "^0.6.2",
+    "eslint-plugin-jsdoc":"^2.3.1",
     "jsdoc": "^3.4.0",
-    "karma": "^1.3.0",
-    "karma-chai": "^0.1.0",
-    "karma-cli": "1.0.1",
-    "karma-coverage": "^1.1.1",
-    "karma-mocha": "^1.2.0",
-    "karma-mocha-reporter": "^2.2.0",
-    "karma-phantomjs-launcher": "^1.0.2",
-    "karma-sinon-chai": "^1.2.4",
-    "karma-webpack": "^1.8.0",
+    "jsdoc-jsx": "^0.1.0",
     "mocha": "^3.1.0",
+    "chai": "^3.5.0",
     "publish-release": "^1.1.0",
     "react-addons-test-utils": "15.3.1",
     "redux-devtools": "^3.3.1",
-    "request": "^2.65.0",
-    "rewire": "^2.3.1",
-    "rewire-webpack": "^1.0.0",
-    "script-loader": "^0.6.1",
-    "sinon": "^1.17.6",
-    "sinon-chai": "^2.7.0",
-    "style-loader": "^0.12.3",
-    "url-loader": "^0.5.7",
     "webpack": "^1.13.2",
-    "eslint-plugin-jsx-a11y": "^0.6.2",
-    "jsdoc-jsx": "^0.1.0",
-    "ink-docstrap" :"^1.2.1",
-    "eslint-plugin-jsdoc":"^2.3.1"
+    "ink-docstrap" :"^1.2.1"
   }
 }