WidgetBuilder for Tree, Bugfix for Socket

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@9631 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c
Fixed #5918 aka weird faceletcontext key issue.

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@9632 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c
Remove unused import.

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@9633 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c
cosmetics

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@9634 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c
Visuals

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@9635 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c