Bug refixed  ZK-568: Open combobox then select last item. reopen combobox then you should see selected item without scroll
Fine tune dom.js: redocss(-1, {'fixFontIcon': true}) should run in ie8 only
Rewrite B65-ZK-1117.zul
Bug refixed 1823278: key up until selection is out of view port, then it should scroll.
Bug refixed: see ZK-1216, ZK-1124
minor fix
fine tune zkmixins
Merge branch 'fix-70' of git://github.com/huangnoah/zk
Merge branch 'master' of github.com:zkoss/zk