Fixed #5549: [JSB] support ScrollView for clipping its content
Fixed #5561: fix addChild issues in Widget's addChild function
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
fixed missing files for test case of 'Texture2d'.
fixed non responsive in test case of curl.
Merge pull request #7072 from Dhilan007/v2

fixed missing files for test case of 'Texture2d'.
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
add json loader to checkbox
add json&binary switchable
finish all the tests
Merge pull request #7074 from 2youyouo2/v2

add TimelineAction
Merge pull request #7076 from andyque/addBackJsonTest

add json and binary switchable options to tests
fix color
Added missing files to WP8/WINRT project.
Merge pull request #7079 from Dhilan007/v2-project

Added missing files to WP8/WINRT project.
fix loadingbar error
Merge pull request #7077 from 2youyouo2/v2

fixed read bug
fix the crash of callback of animation of cocos-builder in Lua and update the Textre2DTest memory alloc test