Create multi-stage models and move groups into GroupStage
Add some view logic for multi-stage tournament
Participant.status
Participant.update_attributes
Merge commit '5b924891e253817cdb3b4c9f8e5c58a0dc9f479f' into multi_stage_tournaments
Fix typo in division step definitions
participant_fix
Participant_feature_fix
Merge branch 'master' into participant_registration

Conflicts:
	app/models/participant.rb
Merge pull request #36 from elisapp/participant_registration

Participant registration
Merge remote-tracking branch 'origin/master' into live_api
Merge remote-tracking branch 'origin/multi_stage_tournaments'
Merge remote-tracking branch 'origin/master' into live_api