add action timeline
add action timeline test
change NodeCache to NodeReader
Merge branch 'v2' of https://github.com/cocos2d/cocos2d-x into v2

Conflicts:
	extensions/proj.win32/libExtensions.vcxproj.filters
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
update submodule
Merge branch 'v2' of https://github.com/2youyouo2/cocos2d-x into v2
add timeline to muti platform
for mac and template
Merge pull request #12 from pipu/v2_kaile

V2 kaile
finish all the tests
Merge pull request #7074 from 2youyouo2/v2

add TimelineAction
fixed not read zorder property
Merge pull request #7076 from andyque/addBackJsonTest

add json and binary switchable options to tests
fixed read layout opacity
Merge branch 'v2' of https://github.com/2youyouo2/cocos2d-x into v2