adds basic traces using open traces

pkg/api/http_server.go

@@ -170,6 +170,7 @@ func (hs *HttpServer) newMacaron() *macaron.Macaron {
 	m.Use(hs.metricsEndpoint)
 	m.Use(middleware.GetContextHandler())
 	m.Use(middleware.Sessioner(&setting.SessionOptions))
+	m.Use(middleware.RequestTracing())
 	m.Use(middleware.OrgRedirect())
 
 	// needs to be after context handler