Devise + Omniauth Authentication encapsulated in an Engine. Uses Devise. Parts taken from perens-instant-user and sso-devise-omniauth-provider
See sso_provyder for the provider part. Based on Devise, Authentifyd and joshsoftware/sso-devise-omniauth-client. Parts directly taken from https://github.com/joshsoftware/sso-devise-omniauth-client
Based on Devise, Authentifyd and joshsoftware/sso-devise-omniauth-provider. Parts directly taken from https://github.com/joshsoftware/sso-devise-omniauth-provider