Use # instead of javascript:void(0)

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@8943 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c
Fixed page jumping to # on disabled menuitem clicks.

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@8944 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c
Refactor

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@8945 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c