Events now have a required student_rsvp_limit field
Students that RSVP for full events get put on the waitlist
Prompt user to connect Meetup.com account
Reorder waitlist if RSVP is destroyed or rsvp limit changes
Merge branch 'prompt-meetup-connect' of https://github.com/fionatay/bridge_troll into fionatay-prompt-meetup-connect

Conflicts:
	db/schema.rb
Update poltergeist to avoid requiring specific faye-webservices version