Yogesh || Removed css and update fabfile to compile scss
Yogesh || Initial changes support whitelabeling
Yogesh || Removed hooking brand specific url. This would be done using ROOT_URLCONF local_settings
Yogesh || Updated feature toggable keys
Yogesh || Refactored to allow derived class to overrde the registeration processor lookup
Yogesh || Removing unused dcs app
Merge branch 'white-labeling-1' into develop
DC,Vishnu | #4036 | Introducing sass compilation step