minor fix
Merge branch '7.0' of github.com:zkoss/zk into 7.0
fix for F30-2026318.zul
Merge branch '7.0' of github.com:zkoss/zk into 7.0
Merge branch 'fix-ie8' of git://github.com/huangnoah/zk into 7.0
minor fix
Merge branch '7.0' of github.com:zkoss/zk into 7.0
move color var to var.less
Merge branch '7.0' of https://github.com/zkoss/zk into fix-ie8