chore(package): update babel-cli to version 6.23.0

Closes #228

https://greenkeeper.io/

Author: greenkeeper[bot]

package.json

@@ -32,7 +32,7 @@
   "author": "Nicklas Utgaard",
   "license": "X11",
   "devDependencies": {
-    "babel-cli": "6.18.0",
+    "babel-cli": "6.23.0",
     "babel-core": "6.21.0",
     "babel-eslint": "7.1.1",
     "babel-loader": "6.2.10",