fix suitable both for hw and virtual nodes

Change-Id: Ib47acbdc7dc8f30e0ffb71e7a1999824892e8702
Merge "fix suitable both for hw and virtual nodes"
Add rpm git package

Add the git to the rpm requirements. It's very useful and already present
in requirements.deb

Change-Id: I87e9919d1be087b3e8b11d7ea64b0239cf7a94f9
New US mirror

Change-Id: Ic0bc04fcf757a833fe529353d89d6d1af17ce593
Merge "New US mirror"
Add gpxe-bootimgs to RPM requirements

Change-Id: Ibcb10d6757ee531fe2644d321639e2746e6c2106
Ceph build tweaks. Do not merge.

Change-Id: If7f369078f5e1b559a2ec2aa9429f3759e037ba4
Allow NAT_USE_DHCP option

Add NAT_USE_DHCP option to enable DHCP server on NAT interface for
 those that use it.

Change-Id: Iadac4a2db3e5f71df2a22327994c0b0a73572d41
Revert "remove dublication for internal_net"

This reverts commit e40a35e79b13de15ecae880160a7666b8f36c11e.