removed widgetVar backward compatible

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@10281 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c
fixed missing methods

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@10282 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c
better support for ClientWindow

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@10283 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c