fixed typo in base-common for importing Open Sans from google fonts
updated testrunner to use DiscoverRunner
rendering pinned labels and added basic menu to nav bar
added logout to navbar for mobile devices
added placeholder label-list and label views, also updated nav with admin menu
rendering label list for label-list and label templates
added nav menu highlighting
rendering video list for label template
added breadcrumbs to labels
style updates for label page
rendering contents for video list
- removed the admin app, using built-in django admin instead
- also removed name from user model