* Bug ZK-2350: Filedownload with file name contain empty string become to "+" sign in IE
* Fine tune B65-ZK-1619_1.jsp test case

Conflicts:

	zkdoc/release-note
	zktest/src/archive/test2/config.properties
Bug ZK-2348: empty listheaders visibility problems when used along auxheaders
Merge branch 'master' of github.com:zkoss/zk
update test case
Bug ZK-2358: Column borders become mis-aligned to listbox header's border when scrolling to right-most position
Bug ZK-2356: Menu popup with onOpen event moving slightly when hovering
Merge pull request #79 from jerrywell/B70-ZK-2356

Bug ZK-2356: Menu popup with onOpen event moving slightly when hovering
Add server push debugging logger
Bug ZK-2359: Autopaging causes flickering of list
WeakIdentityMap.keySet() should implement add() and addAll()
Merge branch 'master' of https://github.com/zkoss/zk
Merge pull request #80 from jerrywell/B70-ZK-2359

Bug ZK-2359: Autopaging causes flickering of list
merge ZK-2181 fixed into ZK 6.5.x version
Bug ZK-2366: ZUL XSD doesn't define "var" attribute for "template" element
Bug ZK-2365: "No items to display" is no longer centered in a Listbox with Firefox and Chrome.
Merge pull request #81 from hanhsu/B70ZK-2366

Bug ZK-2366: ZUL XSD doesn't define "var" attribute for "template" element
Merge branch 'master' of https://github.com/zkoss/zk into B70-ZK-2365
Merge pull request #82 from jerrywell/B70-ZK-2365

Bug ZK-2365: "No items to display" is no longer centered in a Listbox wi...
* Feature ZK-2372: A way to support a different namespace parser for attributes
* Enhance ZK Binder Class for more extendable
* Fix au command for StubComponent issue
Merge branch 'master' of github.com:zkoss/zk