add bound on client side
Merge branch 'yiweili' of https://github.com/yutongp/RaiseMeUp into ypei
Added gameOver window
sync ball move
Merge branch 'xinbweng' of https://github.com/yutongp/RaiseMeUp into ypei

Conflicts:
	client/code/app/game_client.js
Audio improvement
howler library added
fix water shadow
Added instruction page
sync finish with some bug
Merge branch 'xinbweng' of https://github.com/yutongp/RaiseMeUp into ypei

Conflicts:
	client/code/app/game_client.js
Merge branch 'lucas' of https://github.com/yutongp/RaiseMeUp into ypei
add lib
fix merge problem
Changed info bar for device
Merge branch 'xinbweng' of https://github.com/yutongp/RaiseMeUp into ypei

Conflicts:
	client/code/app/game_client.js
add the README document