Adding developer
Adding authentication using sorcery
Merge remote-tracking branch 'origin/master' into sorcery

Conflicts:
	app/views/layouts/application.html.erb
	fig.yml
Add authorization
Add serious game and users models
Merge remote-tracking branch 'origin/master' into sorcery

Conflicts:
	app/controllers/serious_games_controller.rb
	app/views/serious_games/new.html.erb
Fixing links
Merge pull request #1 from yaelleUWS/sorcery

Sorcery