Move from Sublime to WebStrom

1. Enable CoffeScript debugging in WebStorm
2. Enable unit testing from WebStorm
Disable auto integration by Travis CI

For some reason Travis CI fails to prune feature branch.
Anyway, no real benefit from running grunt publish there.
It can be done by developer, and Travis CI need just to verify
the published label.
Increase version to 0.2.7
Merge branch 'feature/update-infrastructure' into develop