added new student activity feed to teacher and teaching assistant home page.
fixed instance variable for binder button logic on student show
add new relic to gemfile
add new relic to gem file
clean up and add postgres to gemfile
added html_safe to content string
updated invitations page, added new student activity feed to admin home view.
update location show page
bunch of updates
minor changes
updated styling to offering show
add return student count and restart student count to offerings index to help count class roll, adjustment to logic in offerings index to account for returning students count
moved level percentage computation to student model
update to link_to helpers to have link open in new tab for show and edit actions on students and offerings indecies
update to link_to helper to have link up in new tab for show and edit actions on users index.
update to home page view for admin to show restarting and returning students update to inactive student index to show students that are on hold and either returning or restarting
update sql query for hold students
remove nil rom sql call
add null to db query
Merge branch 'master' of https://github.com/tkendalls/mpa

merging large update from travis