Added required imports.
Call the correct code to (de)activate networks.
Function to obtain IP address has been moved to separate module.
Cleanup unused imports.
Preliminary version of network/domain management has been implemented.
Ignore sw_file for recursive exports/imports.
Initial version of DHCP and DDNS maintenance based on domains.
Configure client for DDNS and release DHCP lease when halting the system.
Propset applied.
Corrected another typo.
