fix zktest zul
Merge branch 'master' of https://github.com/zkoss/zk into fix-70
Bug fixed ZK-2020: Textbox became unmodifiable in IE11 when invalidated
http://tracker.zkoss.org/browse/ZK-2020
Merge branch 'master' of https://github.com/zkoss/zk into B70-ZK-2020
Merge branch 'B70-ZK-2020' of git://github.com/huangnoah/zk
Refixed ZK-2020: Textbox became unmodifiable in IE11 when invalidated
Merge branch 'B70-ZK-2020' of git://github.com/huangnoah/zk