Upgrade webpack loaders (#12081)

* upgrade all webpack loaders to recent version
* keep TS loader at 4.0.0 (5.0.0 requires webpack 4)
* remove unused json-loader

package.json

@@ -18,10 +18,9 @@
     "@types/react-dom": "^16.0.3",
     "angular-mocks": "^1.6.6",
     "autoprefixer": "^6.4.0",
-    "awesome-typescript-loader": "^3.2.3",
+    "awesome-typescript-loader": "^4.0.0",
     "axios": "^0.17.1",
     "babel-core": "^6.26.0",
-    "babel-loader": "^7.1.2",
     "babel-plugin-syntax-dynamic-import": "^6.18.0",
     "babel-preset-es2015": "^6.24.1",
     "clean-webpack-plugin": "^0.1.19",
@@ -34,7 +33,7 @@
     "expect.js": "~0.2.0",
     "expose-loader": "^0.7.3",
     "extract-text-webpack-plugin": "^3.0.0",
-    "file-loader": "^0.11.2",
+    "file-loader": "^1.1.11",
     "gaze": "^1.1.2",
     "glob": "~7.0.0",
     "grunt": "1.0.1",
@@ -61,7 +60,6 @@
     "husky": "^0.14.3",
     "jest": "^22.0.4",
     "jshint-stylish": "~2.2.1",
-    "json-loader": "^0.5.7",
     "karma": "1.7.0",
     "karma-chrome-launcher": "~2.2.0",
     "karma-expect": "~1.1.3",
@@ -83,16 +81,15 @@
     "postcss-loader": "^2.0.6",
     "postcss-reporter": "^5.0.0",
     "prettier": "1.9.2",
-    "react-hot-loader": "^4.0.1",
+    "react-hot-loader": "^4.2.0",
     "react-test-renderer": "^16.0.0",
     "sass-lint": "^1.10.2",
-    "sass-loader": "^6.0.6",
+    "sass-loader": "^7.0.1",
     "sinon": "1.17.6",
-    "style-loader": "^0.20.3",
+    "style-loader": "^0.21.0",
     "systemjs": "0.20.19",
     "systemjs-plugin-css": "^0.1.36",
     "ts-jest": "^22.0.0",
-    "ts-loader": "^3.2.0",
     "tslint": "^5.8.0",
     "tslint-loader": "^3.5.3",
     "typescript": "^2.6.2",
@@ -183,4 +180,4 @@
   "resolutions": {
     "caniuse-db": "1.0.30000772"
   }
-}
+}