* Rolled back Travis stages
* Rolled back the rolled-back changes.
* Renamed jobs, coverage can no longer fail.
* Cleaned up the yaml file a bit.
* Updated coveralls badge.
* tests: use stages for the travis execution
Fixes#694
* add comments as suggested by @nventuro
* move the unit tests first, as suggested by @frangio
* make stages clearer as suggested by @nventuro
* tests: use stages for the travis execution
Fixes#694
* add comments as suggested by @nventuro
* move the unit tests first, as suggested by @frangio
* make stages clearer as suggested by @nventuro
* update the stage names as suggested by @frangio
* Run all tests in parallel
* added names