fix mvvm performance issue
Fix bug ZK-1480
http://tracker.zkoss.org/browse/ZK-1480
Fix bug ZK-1512: ListBox Select All
http://tracker.zkoss.org/browse/ZK-1512
add test case
release 6.0.4
update version to 6.0.5
Fix bug ZK-1531: Button with an image attribute will fire both click and rightClick events when right click the mouse in Chrome
http://tracker.zkoss.org/browse/ZK-1531
Fix bug ZK-1523
http://tracker.zkoss.org/browse/ZK-1523
Fix javadoc's typo.
Fix bug ZK-1381 on Chrome/Safari
Modify release note
fix 1528
Merge commit 'zk1528' into zkoss-master
Merge branch 'master' of github.com:zkoss/zk
ZK-1560: Configuration: allow user to abort the waiting thread if it takes too long to execute (activation)
javadoc
better to throw an exception if aborted by timeout
removed unused import class and fix typos in javadoc
Merge branch 'master' of github.com:zkoss/zk
Use ActivationTimeoutException instead