First version of admin module that takes all requests to admin/(:any) and HMVC-ifies them
Update controllers for admin/(:any) to properly set theme
Update module auth to support oauth

And also change some UI things to integrate OAuth login on 'auth/login.html'
Update some gasoline configs to have corret file header
Add \Auth_Opauth to gasoline/bootstrap.php
Merge branch 'feature/auth' into develop
Remove warning header doc block from app/config/app