* Show namespace thumbnail differently if project was already forked
* Show loading spinner when click on fork
* Fork link navigates to personal namespace only if no manageable groups exists
Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Now you can fork project into group or personal namespace.
Also I moved fork logic from ProjectsController to own fork resource
Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>