added autofill to email line when signing up with github
added more tests
added failure authentication test, new route for authentication failure, added to failure method to controller
failure route needed its own environment in test
tests surrounding empty fields for github authentication signup
Add test for signin via Github after successful signup via Github. Add test for logout after signup via Github
Clean up and improve test suite for omniauth_callbacks_controller.  Add config.i18n.enforce_available_locales to application.rb to suppress annoying warnings
Merge pull request #7 from ProjectOdinMakerSquare/github-omniauth-testing

Github omniauth testing