Add an admin controller for the admin section of the application
Add corresponding admin_index template for the front page of the admin section
If the user is a progit admin, add an Admin tab in the menu
Add decorator allowing easy restriction of the endpoint to progit admins only
Restrict the admin endpoints to progit admins
Activate the admin controller
Let the admin index page highlight the admin tab in the menu
Add method to delete a fork/project
Add a delete project button in the settings page of the project/fork
Add icon for the delete project button
Make the delete button a little prettier with that newly added icon
Project wide pep8 clean up