Changed old references to contest_manager to referee.
Mainly tabs and spacing.
FriendlyId (ie. username in url) working for users. Now to the others.
FriendlyId = working. Pagination tests != working.
Fixed the tests to work with FriendlyId. Merging next..
Merge branch 'friendly_id' into dev

Conflicts:
	app/controllers/contests_controller.rb
	app/controllers/users_controller.rb
	app/models/contest.rb
	app/models/player.rb
	app/models/referee.rb
	app/models/user.rb
	app/views/layouts/_navbar.html.erb
	db/schema.rb
	db/seeds.rb
	spec/features/authentication_pages_spec.rb
	spec/features/players_spec.rb