fix history undefined bug on jsb
Merge pull request #663 from joshuastray/master

fix history undefined bug on jsb
correct XHRTest's mistake
Merge branch 'master' of https://github.com/cocos2d/cocos2d-js into Iss5702_Armature
Merge pull request #665 from dingpinglv/Iss5781_ReleaseV3rc2

Correct a XHRTest's mistake
Update the reference of submodule cocos2d-console.
Merge pull request #667 from natural-law/master

Update the reference of submodule cocos2d-console.
modify back button position to relative,or iPad mini can see this button
add stop background music or it won't stop.
change to relative position
Merge branch 'master' of https://github.com/cocos2d/cocos2d-js into fb_3rd
fixed removeChild bug for  performanceAnimationTest.js