Can create private competition
Show add game in API interface and allow to use id when creating a game with the API
Fix tests
list only visible competitions
fix previous problem by adding a new context to settings
limit access to authorized users
remove competition type, useless after discussion
no more public competition
create new page listing all running competitions
Add link to all competitions in main navigation
create page 'request access'
List all competitions, not just those authorized
Accept all players in competition upon request
Save competition's creator
Form add result now works
Merge remote-tracking branch 'origin/master' into private_competition

Conflicts:
	game/forms.py
	game/views.py
Update migration after django update
Merge remote-tracking branch 'origin/master' into private_competition
Redirect to 'all competitions' page at startup
PEP-8