Fixing a few bugs

Adding game_event creation to events
Adding ability to create posts from event
Adding ability to post comments to a game_event
Adding game event and event membership backend
Merge branch 'event_interaction' of github.com:bfosberry/GameSocial into event_interaction

Conflicts:
	app/views/events/show.html.erb
	app/views/game_events/show.html.erb
	config/routes.rb
	db/schema.rb