add 6 cases
Merge pull request #12 from huangnoah/new-20130327

add 6 cases
Fix bug ZK-1693: Dial chart customize color issues
http://tracker.zkoss.org/browse/ZK-1693
Fix bug ZK-1692: widget.isVisible API doesn't work properly
http://tracker.zkoss.org/browse/ZK-1692
Merge remote-tracking branch 'VincentJian/B65-ZK-1692'
Fix IE8 issue
Re-fix bug ZK-1692
Merge branch 'master' of github.com:zkoss/zk into flex
new 8 functional case and 146 flex case
Merge pull request #13 from huangnoah/new-20130329

new 8 functional case and 146 flex case
Merge remote-tracking branch 'Neillee/master'
fix IE 6 issue
Merge remote-tracking branch 'VincentJian/flex'
fix zk-1698 mvvm tree performance
fix ZK-1691: Dropupload has "native" property (reserved identifier in EL)
fine tune exception handling
add new 14 cases
Merge pull request #15 from huangnoah/new-20130403

add new 14 cases
Refix IE 10 nowrap issue
Merge remote-tracking branch 'VincentJian/SideEffect'