Fix foreman tempest setup

Add the user specification to the foreman tempest setup

Change-Id: Ib0d8a1f747b868fbfbf867e27c9a2e17333712fc
Introduce network variables

Make the public/private subnet cidr's variables. Defaults make it almost
as it was before. Private changed: 192.168.200 -> 192.168.20
DHCP on private subnet is ON

Change-Id: I4e01d483e935fceee54d58df566680d4bcbbf171
Use -v flag with rpm command in rdopkg/update

Change-Id: Ia01a443957d2b1a4ade650474359ae8fa92e0f96