Updated profile to include Outreach and removed Hacker, Coordinator, and Evangelize
Organizers do not see a 'Volunteer' link for their own events

Rsvp is now a nested resource of Event
Merge branch 'profile' of https://github.com/jforbe/bridge_troll into jforbe-profile
Session name shows up when RSVPing for sessions
Session dates show day of the week

https://www.pivotaltracker.com/story/show/43285565https://www.pivotaltracker.com/story/show/43285565
adding rsvp associations to event_session

this should be mostly a noon commit
allow some html in event details

we allow default sanitize tags.  so no script tags.