Changed nmap-ncat to nc
Changed nmap-ncat to nc

Installing nmap-ncat does not work for RHEL. Installing nc works both for RHEL and Fedora

Change-Id: I755d10ce6511b840fa291ba9b9f47de205fbdde7

openstack/packstack,palmer159/openstack-test,bcrochet/packstack,pkilambi/packstack,xbezdick/packstack,imcsk8/packstack,stackforge/packstack,harveyzh/packstack,pkilambi/packstack,alincalinciuc/packstack,radez/packstack,larsks/packstack,radez/packstack,fr34k8/packstack,radez/packstack,spkane/packstack,palmer159/openstack-test,spkane/packstack,fr34k8/packstack,larsks/packstack,harveyzh/packstack,openstack/packstack,imcsk8/packstack,larsks/packstack,alincalinciuc/packstack,alincalinciuc/packstack,palmer159/openstack-test,mahak/packstack,fr34k8/packstack,xbezdick/packstack,xbezdick/packstack,weshayutin/packstack,spkane/packstack,mahak/packstack,mahak/packstack,bcrochet/packstack,harveyzh/packstack,weshayutin/packstack,weshayutin/packstack,pkilambi/packstack,stackforge/packstack,imcsk8/packstack,openstack/packstack,stackforge/packstack,bcrochet/packstack