* Run tests of flow with babylon
* Fix travis
* Fix typo
* Again...
* Brtter hint
* proper exit code
* Fix some flase-positives and better reporting
* Enable some plugins, that flow supports by default
* Add code coverage from Babel tests
* Configure nyc correctly for Babel test coverage
* Guard against nyc config conflicts if Babel switches to nyc in the future
* Move .nyc_output from Babel build dir to root