support reloading of connections from groups page
improve design for groups
fix spelling error on extraverted
track invitations
send notification to inviters the first time the user completes a quiz
set up ActionMailer for welcome email
send all types of emails via ActionMailer
added mandrill - confirmed working properly
added mandrill config to production.rb
switch to bootstrap gem
update style for group highlighting
style improvement to group page
design improvements to groups page
group design improvements
change margin on title
add group admin and other group improvements