Bug fixed for
  ZK-1871: Comet Servlet 3 Push returns 500 Internal Server Error
  ZK-1859: Comet Servlet 3 Push: AsycInfo does not catch IllegalStateException thrown on GlassFish 3.1.2
Fix bug ZK-1857: ZK 6.5 EE OSGi: Comet Servlet 3 Push does not work
http://tracker.zkoss.org/browse/ZK-1857
Merge remote-tracking branch 'VincentJian/B65-ZK-1857'
remove fix of ZK-1711 for performance impact
Merge pull request #326 from VincentJian/B65-ZK-1711

remove fix of ZK-1711 for performance impact
Bug ZK-1747: Chosenbox - Combobox behaving differently (when using ListSubModel)
re-fix Bug ZK-1711
Merge remote-tracking branch 'VincentJian/B65-ZK-1711'
Merge branch 'master' of github.com:jumperchen/zk
Refix ZK-1867 for Z60-Grid-GroupsModelArray-Paging-noROD.zul test case
Bug ZK-1877: Can not drag a slider, which is in a grid, to 0
Bug ZK-1878: IE Compatibility View issue when using Meta tag with IE=edge
Merge branch 'master' into 7.0