Merge pull request #628 from LLK/greenkeeper/babel-cli-6.26.0

Update babel-cli to the latest version 

package.json

@@ -29,7 +29,7 @@
   },
   "devDependencies": {
     "autoprefixer": "7.1.2",
-    "babel-cli": "6.24.1",
+    "babel-cli": "6.26.0",
     "babel-core": "^6.23.1",
     "babel-eslint": "^7.2.3",
     "babel-loader": "^7.1.0",