Add hammer_cli_foreman_ssh [rpm]

http://koji.katello.org/koji/taskinfo?taskID=176662 f19
http://koji.katello.org/koji/taskinfo?taskID=176663 el7

I've deliberately left el6 out for now, as I want to get the various net-ssh-* dependencies fixed in EPEL6 if I can rather than go through the hassle of rebuilding.