add target to build All target
decouple libcocos2d and cocosdenshion
refactor getScale9Enabled to isScale9Enabled
Merge branch 'v3' into v3_buildAllTarget
refactor UIButton
refactor ImageView
refactor Slider control
refactor loadingBar
refactor Layout
fix minor bugs of UISlider and remove unused header include in ListView
refactor, improve imageView stability
refactor, optimize Scale9Sprite
[AUTO]: updating luabinding automatically
Merge pull request #7633 from CocosRobot/update_lua_bindings_1406785652

[AUTO]: updating luabinding automatically
Merge pull request #7618 from dabingnn/v3_buildAllTarget

add target to build All target
1. remove mac 32bit
2. remove copy files for mac(because of mac use .a instead of dylib)
Merge pull request #7634 from dabingnn/v3_mac_fix

fix some misc issues for mac
Merge pull request #7627 from andyque/fixScale9Sprite

refactor ui::widgets to use ui::Scale9Sprite instead of extension::Scale9Sprite