Bug fixed B65-ZK-1808 : Close tabpanel cause js error
fine tune accordion animation : reenable closing animation (code was never called)
minor fix
fix zktest build issue
Bug fixed B65-ZK-1812 : zAu.send: data of client event ignored on server side
recovery iconSclass position in domContent_()
Fix bug ZK-1821: Component inside native component doesn't cleanup correctly
http://tracker.zkoss.org/browse/ZK-1821
fix ZK-1819
ValidationContext support a new flag that can identify the value of single field whether is valid when use form binding
add @since
Merge remote-tracking branch 'VincentJian/B65-ZK-1821'
adjust dom structure
Bug fixed ZK-1822: Turkish locale problem during browser detection 
(on server side) http://tracker.zkoss.org/browse/ZK-1822
minor fix
Merge branch 'update-groupbox' of https://github.com/huangnoah/zk into update-groupbox
adjust caption dom structure
recover anima.js
adjust dom structure
adjust border style in defalut mold and notitle mold style
refactor style and add title style
F70-ZK-1825: Timebox should not reset the date value to today