Adding a new test in LabelTest. Non-ascii UTF8 string from native should be converted to jsval correctly.
Removing "cc.associateWithNative" since it isn't needed anymore.
Removing some unused codes.
add audio file
Merge pull request #146 from ShengxiangChen/newbranch

fixed #867: add audio file
Merge remote-tracking branch 'dumganhar/new-labeltest'
Merge remote-tracking branch 'dumganhar/remove-associate-nativeobj'

Conflicts:
	games/MoonWarriors/src/AboutLayer.js
	games/MoonWarriors/src/Bullet.js
	games/MoonWarriors/src/Enemy.js
	games/MoonWarriors/src/Explosion.js
	games/MoonWarriors/src/HitEffect.js
	games/MoonWarriors/src/SettingsLayer.js
	games/MoonWarriors/src/Ship.js
	games/MoonWarriors/src/SysMenu.js
	tests/SpriteTest/SpriteTest.js
removed unneeded "init" in LabelTest.js

The "init" was not needed, in fact it was causing a bug.
If "create" is called, then "init" should not be called again