FileUpload refactor

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@9611 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c
#5902

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@9612 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c
#5890

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@9613 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c
Compressor fix

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@9616 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c