Merge pull request #10 from sergeii/master

Remove BrowserID support
Fix requirements.txt

* south 1.0 is not py3-compatible
* richard url was broken
* remove django-broswerid and grapelli (we don't use them)
Remove pip-tools

Project is not actively maintained
Python 3.4.1 :+1:
Update credits
Improve video admin
Travis CI & coveralls
Deploy to heroku after successful build
Fix tags not displaying on a video details page
Enhance the embed management command
Merge pull request #11 from sergeii/fix-video-template-tags

Fix tags not displaying on a video details page
Use unitest.mock in favor of the third party app
Merge pull request #12 from sergeii/better-embed

Enhance the embed management command
Ignore emded data when loading models from a fixture