Add hidden network and router support, allow routers as monitoring targets
Add hidden network option
Added interfaces to monitoring targets.
Added monitoring_targets option to topology.yml
Add attributes to allow hiding the containers
Added docker containers to topology definition
Hosts in Topology definition were extended with optional attribute volumes
Add extra attribute for router.
Add WAN attribute and remove CIDR attribute of Routers.
Remove Provider attribute.
Add helper functions for image renaming
Change BaseBox management attributes prefix to mgmt.
validate CIDR
add remoting protocol config
finally fix namespace
fix namespace
fix versions of packages
minor cleanup