Fixes and improvements

e erica@withjoy.com

We added a progress bar to RSVP to make it more clear when guests are in the rsvp process.
Fixed bug with not showing "Enter Password" when only photos are set to password protected
Fixed bug with warnings users who are RSVPing to use their first and last names only, instead of "and"
Fixed bug with cover photo alignment in mobile websites using the Aloha template