Upgrade babel

[nLight]

To enable node-6 upgrade we need to upgrade babel. Current version we're using has a bug that breaks you reactjs-components running on node 6

note that babel package is gone in favor of babel-cli

#2136

[d2iq-mergebot]

This repo has @mesosphere-mergebot integration. You can interact with the following commands.

@mesosphere-mergebot integrate  
@mesosphere-mergebot ship-it  
@mesosphere-mergebot test  

[weblancaster]

Works good with node v7.8.0/npm 4.2.0 and not just that but my build was noticeably faster. (#2136 needs to be merged first)

🥇