only show gitlab signup/login links if gitlab oauth is turned on

web/web.go

@@ -188,6 +188,7 @@ func login(c *api.Context, w http.ResponseWriter, r *http.Request) {
 	page := NewHtmlTemplatePage("login", "Login")
 	page.Props["TeamDisplayName"] = team.DisplayName
 	page.Props["TeamName"] = teamName
+	page.Props["AuthServices"] = model.ArrayToJson(utils.GetAllowedAuthServices())
 	page.Render(c, w)
 }
 
@@ -274,6 +275,7 @@ func signupUserComplete(c *api.Context, w http.ResponseWriter, r *http.Request)
 	page.Props["TeamId"] = props["id"]
 	page.Props["Data"] = data
 	page.Props["Hash"] = hash
+	page.Props["AuthServices"] = model.ArrayToJson(utils.GetAllowedAuthServices())
 	page.Render(c, w)
 }