Invites with relationships
Invite migration generated stuff
Fix inviter relationship definition
Validate presence and email-ness of email
Invite stuff controller and view creation
Merge branch 'master' into invites
Turn off helper generators
Remove invites helper
Add token column to invite
Generate token before saving invite
Add friendly id gem
Friendly id for taken on invite
Show invite action and view
Redirect back to user group if not requesting invite by token
Add beginnings of invite mailing
Letter opener gem
Add default url host for development environment
Add basic text in invite email view
Delete unnecessary mailer spec
Remove incorrect invites controller spec