Implemented Growl widget for PrimeFaces Mobile

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@10645 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c
Fixed ui flash when growl is closing

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@10647 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c