fix JDK8 compile error: interface default method
Merge pull request #135 from chunfuchang/fixJDK8error

fix JDK8 compile error: interface default method
Bug ZK-2450: Listbox's selected index becomes -1 when navigating with page up / page down key in CE
Merge branch 'B70-ZK-2450' of https://github.com/hanhsu/zk
Bug ZK-2453: JS error on page load
Merge branch 'B70-ZK-2453' of https://github.com/chunfuchang/zk
Bug ZK-2458: Area component cursor style is not correct in IE
Merge pull request #139 from hanhsu/B70-ZK-2458

Bug ZK-2458: Area component cursor style is not correct in IE
Bug ZK-2463: dynamically adding columns to frozen grids raises javascript errors
Merge branch 'B70-ZK-2463' of https://github.com/DevChu/zk
Update test case for ZK-2458
Bug ZK-2464: Possible XSS Vulnerability in HTTP Header
Merge pull request #142 from DevChu/B65-ZK-2464

Bug ZK-2464: Possible XSS Vulnerability in HTTP Header
Merge remote-tracking branch 'upstream/6.5'
Bug ZK-2370: Updating the label of a Panel Caption before its image doesn't update the image on the client correctly.
Merge pull request #143 from hanhsu/B70-ZK-2370

Bug ZK-2370: Updating the label of a Panel Caption before its image does...
Bug ZK-2419: When doing a drag & drop quickly on a tree, a component not found exception is thrown.
Merge pull request #144 from DevChu/B70-ZK-2460

Bug ZK-2460: When doing a drag & drop quickly on a tree, a component not...
Merge branch '7.0-Stable' of github.com:zkoss/zk
fix fomat