add '${arg.sclass}' placeholder to messagebox.zul
update Javadoc comment of Messagebox.java
Bug fixed ZK-2028: When deleted one selected item in chosenbox with
ListSubModel, it would remove all the selection
http://tracker.zkoss.org/browse/ZK-2028
Bug fixed B65-ZK-2019: Chosenbox work incorrectly when using
ListSubModel and Comparator
http://tracker.zkoss.org/browse/ZK-2019
Fixed B50-ZK-641 for IE11
minor tune
Revert Bug B70-ZK-2029: Can't see sub-list of navbar component if orient
is horizontal.
http://tracker.zkoss.org/browse/ZK-2029
fixed ie 11  for B50-3317729.zul
Refixed B50-ZK-641 for IE11
Merge remote-tracking branch 'upstream/6.5'
fix notification icon position
Merge branch 'master' of github.com:zkoss/zk
fixed ie 11 issue
Refix Bug B70-ZK-2032: Caption in Groupbox appear in wrong position when
showing with constraint error
http://tracker.zkoss.org/browse/ZK-2032
fix menuitem autocheck icon bug
Merge branch 'master' of github.com:zkoss/zk
add release date
release 7.0.0
update version to 7.0.1
Bug fixed: js error