Replaced cordova with crosswalk for Android
Commited cordova's node_modules to VC
Added build-deps script for CrossWalk
Merge branch 'master' of github.com:readfwd/delta-app
Updated readme.md
Merge pull request #4 from dapetcu21/master

Added Crosswalk for Android
Small readme changes
Merge branch 'master' of github.com:readfwd/delta-app
Remove deploying from travis, since it doesn't really make any sense anymore given the fact that future versions of the app won't really work on Heroku.