Removed 'state' variable from tlNavbar directive
Added bitters to bower dependencies
Fixed build.js so compilation succeeds
Hacky implementation of configurable endpoints
An experiment in hiding Anvil API from apps
Tweaking API to be around 'tlBrandingBar'
Completely hid Anvil from required client API
Added `signInAndReturnTo` functionality

* Also added support for a 'default redirectUri' so apps don't have
  to configure it if they use the standard of `/callback`.
Merge branch 'hidden_anvil'
release 0.2.0