Fix bug ZK-1689: Wrong left/top of parent positioned window
http://tracker.zkoss.org/browse/ZK-1689
fine tune notification arrow position
Merge remote-tracking branch 'VincentJian/notification'
fix ZK-1682 Problem with formatedNumber converter in 6.5.2-FL and de_DE locale
Merge commit 'zk-1682' into zkoss-master
add release date
Fix javadoc
minor fine tune.
Remove ThemeProvider settings in zksandbox
- use default ZK settings
zksandbox support new theme provider
Merge remote-tracking branch 'Neillee/fix-javadoc'
Merge remote-tracking branch 'Neillee/new-theme-support'
Merge branch 'master' of github.com:zkoss/zk
minor fine tune
release 6.5.2