Merge pull request #1 from chukong/master

update
add umengshare share image introduce
modify umengshare comment
modify umengshare for support share image without text
Merge branch 'master' of github.com:htlxyz/quick-cocos2d-x

Conflicts:
	lib/sdk/umeng_share/umeng_share_android/umeng_share_android/com/quick2dx/sdk/UmengShareSDK.java
fixed bug in CCLuaStack::executeScriptFile()
porting ccsloader form v3quick
Merge branch 'develop'
Merge branch 'master' of github.com:htlxyz/quick-cocos2d-x
Merge pull request #411 from SunLightJuly/bug_fix

fixed bug in CCLuaStack::executeScriptFile()
Merge pull request #410 from htlxyz/master

Master
1.chipmunk c++ 封装开发
1.chipmunk joint c++封装开发
fix win32 compile errors
修复CCArmature 点击事件响应区域不正确bug
Merge pull request #412 from bigHandYT/master

 修复CCArmature 点击事件响应区域不正确bug
添加joint支持
fix win32 release compile errors
Merge branch 'master' of https://github.com/chukong/quick-cocos2d-x

Conflicts:
	lib/cocos2d-x/external/extra/platform/win32/CCNativeWin32.cpp
1.增加CCPhysicsBody中的joint管理
2.增加CCJoint抽象类以及一个实现 CCPinJoint,并实现了break joint方法
3.修改tolua binding