fmt all go file

app/controllers/NoteContentHistoryController.go

@@ -11,6 +11,6 @@ type NoteContentHistory struct {
 // 得到list
 func (c NoteContentHistory) ListHistories(noteId string) revel.Result {
 	histories := noteContentHistoryService.ListHistories(noteId, c.GetUserId())
-	
+
 	return c.RenderJson(histories)
-}
+}