Add after_authentication warden callback after signing in
Merge pull request #2 from harrystech/add_authentication_callback

Add after_authentication warden callback after signing in
Merge branch 'master' of https://github.com/harrystech/devise_google_authenticator into harrystech-master
Merge branch 'harrystech-master'
Re-calls the Warden after_authentication callback
Pushed to version 0.3.12