Remove rails build
Update build system to use Broccoli
Tests are now handled by testem, removed symlinks and vendor modules from tests directory.

One tests is failing, fixed in next commit.
String.fmt is missing from inside the module, call Ember.String.fmt instead.
Update travis config
Fix typos
Opps, missing dependency
Fixes for travis
Merge pull request #41 from pedrokiefer/broccoli

Update build system to Broccoli