fixed eval/extension when no changes are available

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@10567 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c
Style rendering for core mobile components.

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@10568 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c