add more scrollbar test case
Bug fixed B65-ZK-1907: Validation error style, long words overlapping
box http://tracker.zkoss.org/browse/ZK-1907
fine tune less variables for sapphire
fine tune less variables for silvertail
Merge remote-tracking branch 'upstream/master' into 7.0
minor tune
Merge branch '7.0' of github.com:zkoss/zkthemes into 7.0
combobutton add disabled test case
minor tune