fix bugs
1.childArmature.animation
2.tween skew
3.panel change bone parent
fix Tween bug when bone no animation
update current version to 2.1.2
update
Update Bone.as

add displayList
update current version to 2.2
Update ConstValues.as

remove old version
Update XMLDataParser.as

update version support
fix a bug in asdoc
Update StarlingDisplayBridge.as

update pivot
Merge remote-tracking branch 'origin/dev'