Quick fix to support lazy + livescroll, needs refactor.

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@9011 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c
Fix duplicate method

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@9013 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c