add social auth exception middleware
doh.
more reliable login settings
Add date_joined to user model
Make login finally work.

The BakeryUserManager did not implement date_joined and has passed
arguments in the wrong order so. Unfortunately exceptions where silent
so debugging took a while :-/

Works now! :cake:
nvmd
Merge remote-tracking branch 'origin/master' into feature/fork
auth works!
ssss
Fix tests, cleanups
Add tests for gh.get_repo_from_url
unused import
Merge remote-tracking branch 'origin/master' into feature/fork
Cleanup .travis.yml und tox.ini