Prevent NullPointerException
- registry could hold only non-standard themes
Merge branch 'master' into new-theme-support
new Flex Case
Update release note
- deprecate org.zkoss.zkmax.tablet.theme.disabled
Merge pull request #8 from huangnoah/Z65-NewFlexCase

Z65 new flex case
Merge remote-tracking branch 'Neillee/master'