conf support mysql port

conf/app.ini

@@ -20,7 +20,7 @@ HTTP_PORT = 3000
 [database]
 ; Either "mysql", "postgres" or "sqlite3"(binary release only), it's your choice
 DB_TYPE = mysql
-HOST = 
+HOST = 127.0.0.1:3306
 NAME = gogs
 USER = root
 PASSWD =

models/models.go

@@ -38,7 +38,7 @@ func SetEngine() {
 	var err error
 	switch DbCfg.Type {
 	case "mysql":
-		orm, err = xorm.NewEngine("mysql", fmt.Sprintf("%s:%s@%s/%s?charset=utf8",
+		orm, err = xorm.NewEngine("mysql", fmt.Sprintf("%s:%s@tcp(%s)/%s?charset=utf8",
 			DbCfg.User, DbCfg.Pwd, DbCfg.Host, DbCfg.Name))
 	case "postgres":
 		orm, err = xorm.NewEngine("postgres", fmt.Sprintf("user=%s password=%s dbname=%s sslmode=%s",