Merge pull request #1 from danchen0720/F70-ZK-2049

Feature F70-ZK-2049:menupopup support toggle type  http://tracker.zkoss....
Bug fixed B70-ZK-2053: Listgroup checkmark wrong display
http://tracker.zkoss.org/browse/ZK-2053
Merge pull request #4 from danchen0720/B70-ZK-2053

B70 zk 2053
Merge remote-tracking branch 'origin/master'

Conflicts:
	zkdoc/release-note
Bug fixed B70-ZK-2053: Listgroup checkmark wrong display
http://tracker.zkoss.org/browse/ZK-2053
Merge branch 'pr/5'
Merge remote-tracking branch 'RaymondChao/B70-ZK-2053'