Fix Main camera.
Melee Attack script.
Merge branch 'master' of github.com:cstack/death-game
Basic Attack ability working.
Merge branch 'master' of github.com:cstack/death-game

Conflicts:
	UnityProject/Assets/MingruiFileNotReady/Utility/GlobalConstant.cs
	UnityProject/Assets/Prefabs/Player.prefab
	UnityProject/Assets/Scripts/Character/Player/Player.cs
Merge branch 'master' of github.com:cstack/death-game