Refactoring

Refactored Event and User interactions into separate classes so that new features can be added in the future.
Refactoring (squash this)
Added composer.phar
Merge branch 'refactor-user-mng' of github.com:AmsterdamPHP/meetup-raffle-machine into better-raffle

Conflicts:
	templates/event.html.twig
Added compass configuration
Fixed unset array indices
Removed bootstrap
Removed navbar
Removed stub console
Removed unused GA code
Removed add/remove user functionality
Removed gravatar constants
Simplified event listing
Added simpler MeetupService
Simplified event page
Removed unused user and event services
Removed prizes element for now
Removed half-completed store winner method
Applied basic styling
More work on client side raffling