added public email to events, displays for logged in users on event show

[fixes 45626967]

Conflicts:
	db/schema.rb
	spec/requests/new_event_request_spec.rb
default public_email sets to organizer's registered email

[fixes #45626967]
Give organizers a list of volunteer emails

This will probably be replaced by a mailer eventually.
https://www.pivotaltracker.com/story/show/45012157
Fix script/bootstrap branch history.
Merge branch 'public_email' of https://github.com/Polyrhythm/bridge_troll into Polyrhythm-public_email

Conflicts:
	db/schema.rb
Fix id collision on RSVPs preventing meetup user association
Added style guide and mucked up the app's general style.

Note: we added a bunch of web fonts. This causes tests to crash
if your PhantomJS is older than 1.8.1.
Add troll to bottom of page when the page scrolls
Merge branch 'master' of https://github.com/railsbridge/bridge_troll
Prevent non-organizers from seeing volunteer_email page

https://github.com/railsbridge/bridge_troll/pull/110
Fixing specs for volunteer_email

reconciles spec with rsvp validations
https://github.com/railsbridge/bridge_troll/pull/110
Volunteer_emails spec: sign in as admin

The app won't let you see the list of volunteer's emails unless
you're an admin.  As it should be.
https://www.pivotaltracker.com/story/show/45012157
Lillie & Emily made things look good:
- lots 'o love for events/show
- helped style guide be aware of scss variables
- wrote a charming little helper to pretty-print address