Merge pull request #133 from severest/jest-23.0.1-20.0.0

Update jest in / from 22.4.4 to 23.0.1

Author: severest

package.json

@@ -55,7 +55,7 @@
     "extract-text-webpack-plugin": "^4.0.0-beta.0",
     "file-loader": "^1.1.11",
     "html-webpack-plugin": "^3.2.0",
-    "jest": "^22.4.4",
+    "jest": "^23.0.1",
     "node-sass": "^4.9.0",
     "sass-loader": "^7.0.1",
     "style-loader": "^0.21.0",