update loaders, remove coverage for now [ci e2e]

frontend/test/karma.conf.js

 var webpackConfig = require('../../webpack.config');
-webpackConfig.module.postLoaders = [
-    { test: /\.js$/, exclude: /(\.spec\.js|vendor|node_modules)/, loader: 'istanbul-instrumenter' }
-];
 webpackConfig.module.loaders.forEach(function(loader) {
     loader.loader = loader.loader.replace(/^.*extract-text-webpack-plugin[^!]+!/, "");
 });
@@ -25,7 +22,6 @@ module.exports = function(config) {
         ],
         reporters: [
             'progress',
-            'coverage',
             'junit'
         ],
         webpack: {
@@ -36,17 +32,6 @@ module.exports = function(config) {
         webpackMiddleware: {
             stats: "errors-only"
         },
-        coverageReporter: {
-            dir: '../coverage/',
-            subdir: function(browser) {
-                return browser.toLowerCase().split(/[ /-]/)[0];
-            },
-            reporters: [
-                { type: 'text', file: 'text.txt' },
-                { type: 'text-summary', file: 'text-summary.txt' },
-                { type: 'html' }
-            ]
-        },
         junitReporter: {
             outputDir: (process.env["CIRCLE_TEST_REPORTS"] || "..") + "/test-report-frontend"
         },

package.json

@@ -80,7 +80,7 @@
     "babel-preset-stage-0": "^6.5.0",
     "babel-register": "^6.11.6",
     "concurrently": "^3.1.0",
-    "css-loader": "^0.23.1",
+    "css-loader": "^0.26.1",
     "eslint": "^3.5.0",
     "eslint-loader": "^1.6.0",
     "eslint-plugin-flowtype": "^2.22.0",
@@ -88,14 +88,13 @@
     "eslint-plugin-react": "^6.3.0",
     "exports-loader": "^0.6.3",
     "extract-text-webpack-plugin": "^1.0.1",
-    "file-loader": "^0.8.5",
+    "file-loader": "^0.9.0",
     "flow-bin": "^0.37.4",
     "fs-promise": "^0.5.0",
     "glob": "^5.0.15",
     "html-webpack-plugin": "^2.14.0",
     "image-diff": "^1.6.3",
-    "imports-loader": "^0.6.5",
-    "istanbul-instrumenter-loader": "^0.2.0",
+    "imports-loader": "^0.7.0",
     "jasmine": "^2.4.1",
     "jasmine-core": "^2.4.1",
     "jasmine-promises": "^0.4.1",
@@ -104,7 +103,6 @@
     "json-loader": "^0.5.4",
     "karma": "^0.13.9",
     "karma-chrome-launcher": "^0.2.0",
-    "karma-coverage": "^0.5.3",
     "karma-jasmine": "^0.3.5",
     "karma-junit-reporter": "^1.1.0",
     "karma-nyan-reporter": "^0.2.2",
@@ -112,7 +110,7 @@
     "loader-utils": "^0.2.12",
     "postcss-cssnext": "^2.4.0",
     "postcss-import": "^8.0.2",
-    "postcss-loader": "^0.8.1",
+    "postcss-loader": "^1.2.1",
     "postcss-url": "^5.1.1",
     "promise-loader": "^1.0.0",
     "react-addons-test-utils": "^15.3.1",