Add example registration ctlr and fix bugs in models and libs
Finally fix bug in lib ICF_Form_validation with non-existing variable $module on ext-callbacks
Update module acl to work with user-registration
Update lib users/Auth to use method Auth::config()
Update admin/login view to use pure bootstrap design
Update ctlr users/registration to use users/Auth::config()
Update module 'users' theme 'hurage' views

Make primary buttons more recognizable over all forms and also add btn-group to multiple buttons
Fix admin/users/edit/:id not correctly displaying current role
Update lib acl/Acl, add acl/Acl::user_role() to get a user's role
Merge branch 'develop' into feature/users
Add lib Curl from philsturgeon to repo
Add first commit of oauth2 lib
Update oauth/Provider to match file layout
Add index.html for forbidden access to lib oauth
Update .gitignore to ignore oauth-config
Add sample config oauth/oauth
Update provider oauth/Twitter
Merge branch 'develop' into feature/users
Update view /registration

* Use input-placeholder
* Put buttons into btn-group of size "btn"
Update ctlr users/registration to match lib users/Auth::config()