Refactor on mobile

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@10521 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c
Added field component for mobile used for grouping label-input and provides responsive behavior.

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@10522 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c