QRCode component and Refactor on ResourceHandler

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@11706 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c
bugfix

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@11708 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c
bugfix

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@11709 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c