NEW: generic BuidlCloudinitScript for cloudinit, (including nova driver update)

NEW: Cloudinit with libcloud for nova, including automatic BuildCloudinitScritp
BUGFIX: VMMonitor metadata to havana, to get id
BUGFIX: nova: Private IP if no FloatingIP declared
BUGFIX:  dynamic context by RunningPod requirements
BUGFIX: include CloudEndpoint Site in requirements to match tasq queue jobs