add require reward channel
Merge branch 'yifei' of https://github.com/yutongp/RaiseMeUp into ypei
Force players to enter name and room #, added information bar at bottom.
refine code struct
Merge branch 'xinbweng' of https://github.com/yutongp/RaiseMeUp into ypei

Conflicts:
	client/code/app/game_client.js
fix miss delete playName roomNum
add blockLeft
add init blocks num to client
add the player model and the movePlayer() function.
Merge branch 'yiweili' of https://github.com/yutongp/RaiseMeUp into ypei

Conflicts:
	client/code/app/game_client.js
sync blocks in server; move ball with key
add the notation of the world;
initialize the world matrix
Added player names with color.
Merge branch 'xinbweng' of https://github.com/yutongp/RaiseMeUp into ypei

Conflicts:
	client/code/app/game_client.js
add the method of addBonus()
add the method addBonus
Added worldMap 3D array
add bot position in server side
Merge branch 'xinbweng' of https://github.com/yutongp/RaiseMeUp into ypei
Merge branch 'yiweili' of https://github.com/yutongp/RaiseMeUp into ypei