Finished ajax part for the new showcase

git-svn-id: http://primefaces.googlecode.com/svn/showcase/trunk@11154 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c
Fix extension

git-svn-id: http://primefaces.googlecode.com/svn/showcase/trunk@11155 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c