Convert to py.test

Not sure why only the Language part needs a get or create, but I'm
converting to FactoryBoy next...
Move tests into test folder
Update travis and tox for test moves
Convert video tests to factoryboy
Remove reference to generate_data command
Remove eadred
Remove suggestions, replace with SuggestionFactory
Replace notification with NotificationFactory
Testing fixes

* Force steve to update for tests
* Remove remaining eldred like references
Merge pull request #253 from paulcollinsiii/pytest

Convert to py.test from nose