Update Devise to 3.0.2.
Update database_cleaner to 1.1.1 from 1.0.1.
Whoops, forgot to update Gemfile.lock while updating database_cleaner.
Merge pull request #40 from graspapp/update-dependencies

Update devise and database_cleaner to latest versions.
Update therubyracer from 0.11.4 to 0.12.0.
Merge branch 'master' into courses

Conflicts:
	Gemfile
	Gemfile.lock
	app/views/students/_course_overview.html.erb