fix install submit crash caused by xorm log (#1119)

models/models.go

@@ -239,9 +239,8 @@ func NewTestEngine(x *xorm.Engine) (err error) {
 		return fmt.Errorf("Connect to database: %v", err)
 	}
 
-	setting.NewXORMLogService(false)
-
 	x.SetMapper(core.GonicMapper{})
+	x.SetLogger(log.XORMLogger)
 	return x.StoreEngine("InnoDB").Sync2(tables...)
 }