Merge pull request #375 from wasphin/patch-2

子模块地址使用相对路径

.gitmodules

 [submodule "ZLToolKit"]
 [submodule "ZLToolKit"]
 	path = 3rdpart/ZLToolKit
 	path = 3rdpart/ZLToolKit
-	url = https://gitee.com/xiahcu/ZLToolKit
+	url = ../ZLToolKit
 [submodule "3rdpart/media-server"]
 [submodule "3rdpart/media-server"]
 	path = 3rdpart/media-server
 	path = 3rdpart/media-server
-	url = https://gitee.com/xiahcu/media-server
+	url = ../media-server