implemented user auth in nav bar
show guest when not logged in
Use the auth user model to associate users with collections
fix failing test
Merge pull request #13 from Harvard-ATG/feature/auth-nav

feature/auth-nav
check user colleciton role on colleciton view screen
added the django-debug-toolbar to the harvards.settings.dev configuration
cut down the number of queries on the home screen
modify django-debug-toolbar config
show deck menu on hover
Merge branch 'dev' into feature/deck-view
fix home link
hide admin menu to non-admins
add quiz mode hide/reveal