Load plugins on start

tomo.go

@@ -9,6 +9,8 @@ var backend Backend
 // event loop in that order. This function blocks until Stop is called, or the
 // backend experiences a fatal error.
 func Run (callback func ()) error {
+	loadPlugins()
+
 	if backend != nil {
 		return errors.New("there is already a backend running")
 	}