fixed watermark for/forElement

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@9569 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c
cleanup duplicate methods

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@9570 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c
use Constants

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@9571 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c