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
Refix for ZK-1878: IE Compatibility View issue when using Meta tag with IE=edge
fine tune
Bug ZK-1875: DateFormatConverter should be serializable
testcase of zk-1873
Bug fixed B65-ZK-1884: The slider's value should not be greater then
maxpos after clicked its rightmost position 
http://tracker.zkoss.org/browse/ZK-1884
minor fix slider's animation
minor fix test case
add comment
minor fix slider
move comment's position
Bug ZK-1885: IE8 scrollable div (with vflex) and tooltip
Merge branch 'master' of github.com:zkoss/zk
fix zk 1887 detach - reattach component in ViewModel @AfterCompose, fails to initialize bindings
Merge branch 'zkoss/master'
refix/finetune fix of 1877
Bug - ZK-1888: Grid in paging mold doesn't change pages count
Bug fixed: B65-ZK-1889: zul.lang.wpd is always loaded twice with some JS 
http://tracker.zkoss.org/browse/ZK-1889