Display groups from database
Group RU actions
Rename 'Student Group' to 'Club'
List clubs
List clubs
Default users
Create relation between clubs and users
Non-working implmentation of club memberships - Untested
Independent secrets for each developer
Create working relational mapping for memberships.
Merge remote-tracking branch 'origin/clubs' into clubs
Merge branch 'clubs' into develop
Update references to users' primary key in memberships.

Conflicts:
	app/controllers/Users.java
	app/models/User.java
	app/views/header.scala.html
	conf/routes
	conf/secrets/.gitignore