add script to build android samples
Merge pull request #4027 from minggo/iss2905-adjust_folder

add script to build android samples
use build/android-build to build android samples, and update readme
Merge pull request #4029 from minggo/iss2905-adjust_folder

use build/android-build to build android samples, and update readme
Update CHANGELOG
issue #3069:Modify layer lua register and add some compatible lua binding functions
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-x into developTouchEvent
Merge pull request #4031 from samuele3hu/developTouchEvent

issue #3069:Modify layer lua register and add some compatible lua binding functions
perfect vs-project configuration
Merge pull request #4032 from Dhilan007/vs-config

perfect vs-project configuration
Closed #3048: cc.rect can receiving different type parameters now
fixed #3048: add some comments for cc.rect
fixed #3048: rename some comments
Merge pull request #4033 from dingpinglv/Iss3048_cc.rect

Closed #3048: cc.rect can receiving different type parameters now
issue #3069:Add LuaObjectCBridge and related test sample
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-x into developLuaOcBridge
issue #2794:Add LuaObjectCBridge and related test sample
Merge pull request #4034 from samuele3hu/developLuaOcBridge

issue #2794:Add LuaObjectCBridge and related test sample
closed #3093: The last test of OpenglTest crashes on Windows.
Merge pull request #4036 from dumganhar/develop

closed #3093: [JSB] The last test of OpenglTest crashes on Windows.