restart/stop uses -a option
restart/stop uses -a option

move more common code implementing restart and stop into expand_services. That now assumes that it is '-a' command option, not 'all' keyword, that refers to all services.

ibukanov/hippyru-dock,ibukanov/hippyru-dock,ibukanov/hippyru-dock,ibukanov/hippyru-dock,ibukanov/hippyru-dock,ibukanov/hippyru-dock