rails_admin integration, add simple authentication & authorization with devise & cancan
new notifications library, some view bugs fixed
merge
handle CanCan::AccessDenied exception
Merge pull request #8 from 247DigitalGroup/rails_admin

rails_admin integration, add simple authentication & authorization with ...
some general color changes + new user infomation form design
merge
new campaign form design, margin convention fixed
update layouts
add notification integrated with flash message
update layouts
merge with master