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
adjust v2 Xcode project of TestCpp
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
Merge pull request #7074 from 2youyouo2/v2

add TimelineAction