Merge pull request #100 from xsnippet/babel-cleanup

Revise Babel packages

Author: lotrien

package-lock.json

@@ -46,11 +46,9 @@
     "redux-thunk": "^2.2.0"
   },
   "devDependencies": {
-    "babel-cli": "^6.26.0",
-    "babel-eslint": "^8.0.1",
-    "babel-jest": "^22.0.4",
-    "babel-loader": "^7.1.2",
-    "babel-preset-env": "^1.6.1",
+    "babel-core": "^6.26.3",
+    "babel-loader": "^7.1.4",
+    "babel-preset-env": "^1.7.0",
     "babel-preset-react": "^6.24.1",
     "clean-webpack-plugin": "^0.1.17",
     "cross-env": "^5.1.3",