Merge branch 'master' of https://github.com/zpublic/AV-GSG into Sum
完成4个场景之间的转换
修正场景转换bug
加入必要注释
修正关卡管理器
完成关卡转换
Merge branch 'master' of https://github.com/zpublic/AV-GSG into Sum

Conflicts:
	AV-CSG/control/game/GameControler.cpp
Merge pull request #15 from zpublic/Sum

Sum