Sample update

git-svn-id: http://primefaces.googlecode.com/svn/examples/trunk/showcase@9836 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c
Added custom client side validation example with email validator.

git-svn-id: http://primefaces.googlecode.com/svn/examples/trunk/showcase@9838 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c