testcase for zkbind+navbar
Bug fixed B70-ZK-2029: Can't see sub-list of navbar component if orient
is horizontal.
http://tracker.zkoss.org/browse/ZK-2029
Merge branch 'B70-ZK-2029' of git://github.com/RaymondChao/zk
Merge branch 'master' of github.com:zkoss/zk