Merge branch 'release-3.7' into master.

einterfaces/saml.go

@@ -10,7 +10,7 @@ import (
 type SamlInterface interface {
 	ConfigureSP() *model.AppError
 	BuildRequest(relayState string) (*model.SamlAuthRequest, *model.AppError)
-	DoLogin(encodedXML string, relayState map[string]string) (*model.User, *model.AppError)
+	DoLogin(encodedXML string, relayState map[string]string, siteURL string) (*model.User, *model.AppError)
 	GetMetadata() (string, *model.AppError)
 }