send document alert shown
Merge branch 'develop' of https://github.com/jiangkuo888/ORP_beta into develop
change gamemanager.cs for tutorial level
Merge branch 'develop' of https://github.com/jiangkuo888/ORP_beta into develop
JK added tutorial scene
Merge branch 'develop' of https://github.com/jiangkuo888/ORP_beta into develop

Conflicts:
	Assets/EZReplayManager/extension/prefab/EZReplayManager.prefab
	Assets/Scenes/Fire_event_tutorial.unity
Tutorial scene done.
Merge branch 'develop' of https://github.com/jiangkuo888/ORP_beta into develop

Conflicts:
	Assets/EZReplayManager/extension/prefab/EZReplayManager.prefab