minor fix for touch device
Fix Feature F70-ZK-1956: Support toggle switch to enable or disable
tablet UI http://tracker.zkoss.org/browse/ZK-1956
add LESS mixins
Merge branch 'F70-ZK-1956' of git://github.com/RaymondChao/zk
Bug ZK-1969: listbox rod with paging mold causes incorrect keyboard navigation
Merge remote-tracking branch 'upstream/6.5'
Merge branch 'master' of github.com:zkoss/zk
Style fixed: the icon of window and panel sholud show correct
Merge branch 'master' of https://github.com/zkoss/zk into fix-70
upgrade third party library version
1. js.jar (Rhino) from 1.7R1 to 1.7R4
2. lesscss-engine.jar from 1.3.3 to 1.4.2
minor fix layoutregion
Merge branch 'minor-fix-layoutregion' of git://github.com/RaymondChao/zk
Merge branch 'master' of https://github.com/zkoss/zk into fix-70
fine tune release note
Merge branch 'master' of github.com:zkoss/zk
Merge branch 'master' of https://github.com/zkoss/zk into fix-70