remove warnings
add click event listener to Widget
update ui::Scale9Sprite release note
fix warnings
add disableCascadeOpacity to ProtectedNode and Scale9Sprite
add deprecated options for ui, add Scale9Sprite bindings
Merge pull request #7847 from andyque/addLuabindingsToUI

add deprecated options for ui, add Scale9Sprite bindings
Merge pull request #7846 from andyque/addUILuaBindings

add disableCascadeOpacity to ProtectedNode and Scale9Sprite
Merge pull request #7840 from minggo/fix-warning

fix warnings
Merge pull request #7838 from andyque/updateReleaseNote

update ui::Scale9Sprite release note
Merge pull request #7834 from andyque/improveUI

add click event listener to all Widget classes
add release note
modify
Merge pull request #7854 from super626/releasenote

add release note
Merge pull request #7853 from super626/v3

Better reskin model support
[AUTO][ci skip]: updating cocos2dx_files.json
[AUTO]: updating luabinding automatically
[ci skip]
Merge pull request #7858 from CocosRobot/update_lua_bindings_1408706600

[AUTO]: updating luabinding automatically
Merge pull request #7857 from CocosRobot/update_cocosfiles_1408706718

[AUTO][ci skip]: updating cocos2dx_files.json