handle no name
change session invtation,
respond through interface not email
don't display sign up buttons if user is logged in
change invitation view
sessions + courses pages
send email when student confirms attendance
Merge pull request #61 from codebar/organisers-page

sessions + courses pages
Merge pull request #62 from despo/add-invitation-page-for-rsvp

Add invitation page for rsvp
Merge branch 'master' of heroku.com:codebar-staging
add line break
add basic member portal for coaches and students
add member and admin portals
Merge pull request #63 from despo/add-member-portal

Add member portal