Update CCNode.h

By adding "virtual"  CCArmature and other subclasses's boundingBox() functions get properly called.
Fixed #5549: [JSB] support ScrollView for clipping its content
Fixed #5561: fix addChild issues in Widget's addChild function
cccomrender change
Fixed #5561: [2.x]Fix addChild issues in Layout and ScrollView's addChild function
Fixed #5561: [2.x]Fix addChild issue in Widget's addChild function
Merge branch 'v2' of github.com:cocos2d/cocos2d-x into cocos2dv2
add action timeline
fix bug: color&
add action timeline test
Merge pull request #7066 from geron-cn/cocos2dv2

cccomrender change
change NodeCache to NodeReader
Merge branch 'v2' of https://github.com/cocos2d/cocos2d-x into v2

Conflicts:
	extensions/proj.win32/libExtensions.vcxproj.filters
Merge pull request #7072 from Dhilan007/v2

fixed missing files for test case of 'Texture2d'.
Merge pull request #7073 from Dhilan007/v2

fixed missing files for test case of 'Texture2d'
add json test to UIButton
adjust v2 Xcode project of TestCpp
add json loader to checkbox
add json&binary switchable
Merge pull request #11 from pipu/v2_kaile

V2 kaile