contacts push quick start [AGPUSH-607]

done for [AGPUSH-607](https://issues.jboss.org/browse/AGPUSH-607)

goes against @edewit 'Contact's branch that integrates 'Push'
https://github.com/edewit/jboss-wfk-quickstarts/tree/push/contacts-mobile-picketlink-secured

screencast ;)
https://vimeo.com/96095487