Allow to setup a static IP for a huronOS instance

[equetzal]

Independently of the interface, try to set the specified IP address. This should be persistent over the system partition and not configured via directives, it should be configured manually for each installed instance. Also we need to warn about the possibility of ruining the link with any other DHCP network, attaching the configured IP means to only have link with the networks in which that IP is valid and not used by anyone.