Game scene load before join room. add NGUI plugin
Merge branch 'develop' of https://github.com/jiangkuo888/ORP_beta into develop

Conflicts:
	Assets/building.fbm.meta
	Assets/building.fbm/14122106-elevator-button-up-and-down-direction.jpg.meta
	Assets/building.fbm/EN_005lrg.jpg.meta
	Assets/building.fbm/elevator-display-box.jpg.meta
	Assets/building.fbm/lift.jpg.meta