Work in importing assessment questions from CSV files
Work on dashboard rankings
Add "most active users in my institution"
Make most active users in institution visible to all users
Forbid creating sub-resources of items
Change mail configuration to be similar to database configuration
Selected format's assessment questions include those of all parent formats
Add fid column to formats
Add format vectors
Add a few test stubs
Test most_active methods
Merge branch 'feature/dashboard-rankings' into develop
Bugfix
Upgrade bootstrap-sass gem
Bump version to 0.4
Improve select menu appearance
Merge branch 'develop' into feature/assessment-questions
Tweak select menu control
Downgrade bootstrap-sass gem to fix issue with icons not appearing
Work in progress on format refactoring