Allows specifying a field other than email as the authentication field
Removes debugging code
Merge commit '9b3a214c0cc8d590be8c183905557235eb6638a5'

* commit '9b3a214c0cc8d590be8c183905557235eb6638a5':
  Removes debugging code
  Allows specifying a field other than email as the authentication field

Conflicts:
	spec/dummy/config/application.rb