add shortcut for widget lookup.

git-svn-id: https://svn.potix.com/svn/zk1/branches/5.0@19577 dd50bd9b-9913-0410-b9ba-e07a3075be86
Bug fix: B50-ZK-1038: A empty listbox with long header set span doesn't work (IE only) 
http://www.zkoss.org/services/zk/tracker/?ZK-1038


git-svn-id: https://svn.potix.com/svn/zk1/branches/5.0@19583 dd50bd9b-9913-0410-b9ba-e07a3075be86
Bug fix: B50-ZK-1069: Squence issue when attaching radio and radiogroup
http://www.zkoss.org/services/zk/tracker/?ZK-1069


git-svn-id: https://svn.potix.com/svn/zk1/branches/5.0@19599 dd50bd9b-9913-0410-b9ba-e07a3075be86
finetune

git-svn-id: https://svn.potix.com/svn/zk1/branches/5.0@19619 dd50bd9b-9913-0410-b9ba-e07a3075be86
B60-ZK-1061: Wrong Weekday when set a specified locale on a datebox
http://www.zkoss.org/services/zk/tracker/?ZK-1061


git-svn-id: https://svn.potix.com/svn/zk1/branches/5.0@19620 dd50bd9b-9913-0410-b9ba-e07a3075be86
B50-ZK-1073: Oncheck event doesn't fire when the new radio attached
http://www.zkoss.org/services/zk/tracker/?ZK-1073


git-svn-id: https://svn.potix.com/svn/zk1/branches/5.0@19625 dd50bd9b-9913-0410-b9ba-e07a3075be86
finetune
http://www.zkoss.org/services/zk/tracker/?ZK-1073


git-svn-id: https://svn.potix.com/svn/zk1/branches/5.0@19631 dd50bd9b-9913-0410-b9ba-e07a3075be86
B50-ZK-1079: Fileupload dialog will be masked while open it by a button in a popup  

http://www.zkoss.org/services/zk/tracker/?ZK-1079


git-svn-id: https://svn.potix.com/svn/zk1/branches/5.0@19637 dd50bd9b-9913-0410-b9ba-e07a3075be86
B50-ZK-1079: Fileupload dialog will be masked while open it by a button in a popup , finetune.
http://www.zkoss.org/services/zk/tracker/?ZK-1079


git-svn-id: https://svn.potix.com/svn/zk1/branches/5.0@19642 dd50bd9b-9913-0410-b9ba-e07a3075be86
B50-ZK-1079: Fileupload dialog will be masked while open it by a button in a popup , finetune.
http://www.zkoss.org/services/zk/tracker/?ZK-1079


git-svn-id: https://svn.potix.com/svn/zk1/branches/5.0@19644 dd50bd9b-9913-0410-b9ba-e07a3075be86
ZK-1086: Undefined on datebox format "EEEE" with specific locale
http://www.zkoss.org/services/zk/tracker/?ZK-1086


git-svn-id: https://svn.potix.com/svn/zk1/branches/5.0@19646 dd50bd9b-9913-0410-b9ba-e07a3075be86
B50-ZK-1092 IE 8 - Scrollbar Bug in Tree
http://www.zkoss.org/services/zk/tracker/?ZK-1092


git-svn-id: https://svn.potix.com/svn/zk1/branches/5.0@19658 dd50bd9b-9913-0410-b9ba-e07a3075be86
Bug ZK-1095: ThreadLocalCache has incorrect constructor making it unusable
http://www.zkoss.org/services/zk/tracker/?ZK-1095


git-svn-id: https://svn.potix.com/svn/zk1/branches/5.0@19660 dd50bd9b-9913-0410-b9ba-e07a3075be86
separate the build dependency
update release script
separate upVer script dependency
(cherry picked from commit c8d3de4d4b72ba285e6b35be19ac3316ef66a6a3)
fix jsdoc
Bug ZK-1118: Vertical scrollbar appears when listbox with fixed rows and
sizedByContent is true exceeds browser width
http://www.zkoss.org/services/zk/tracker/?ZK-1118
Revert "Bug ZK-1118: Vertical scrollbar appears when listbox with fixed rows and sizedByContent is true exceeds browser width http://www.zkoss.org/services/zk/tracker/?ZK-1118"

This reverts commit 9bda7a0dbf4f2bbef95a1121543d098399c68b05.
Bug ZK-1118: Vertical scrollbar appears when listbox with fixed rows
and sizedByContent is true exceeds browser width