Add hp_bar.
Merge branch 'master' of https://github.com/Wu-Hao/TankMultiplayer

Conflicts:
	Classes/Hero.cpp
	Classes/Hero.h
Merge pull request #15 from fusijie/master

Add hp_bar.
fix bug
Merge branch 'master' of github.com:Wu-Hao/TankMultiplayer
finished json data.
fixed angles
Add notouchlayer in game scene.
Merge branch 'master' of https://github.com/Wu-Hao/TankMultiplayer
add player name
modify hpbar
merge wuhao
added musics
Fixed replace scene bug and redesign notouchlayer.
merge with wuhao.
Merge pull request #16 from fusijie/master

Fixed replace scene bug and redesign notouchlayer.
add playbackbar
add setName in Hero