added semi-official js icon
change of dates
Merge remote-tracking branch 'yoni/js_icon'
Added cohort view
Added surveys
Completed surveys views
i18n
send survey bug fixes
Added support to send event invitations to cohort
Added status "accepted to other cohort"
Add modify status from cohort page
Trying to fix a unicode problem
Trying to fix a unicode problem
Trying to fix a unicode problem
Hopefully fixed yucky unicode problems (was using gettext instead of ugettext!)
Quickly added basic LMS system
Added bootstrap3 for lms app
Added markdown html caching
nicer look to trails and items
added an option to mark an item as checked.  Hides unpublished trails.