[DGD] Developing a network daemon

[Shentino]

Ok
Current plan of attack:

1.  Use a single control connection to communicate with DGD for whenever a
connection needs to be, or is unexpectedly, created or shut down, as well as
to give the daemon commands.

2.  Use a separate connection to DGD for each out and inbound connection
(already planned from start)

3.  Authenticate all connections with a simple password, possibly
automagically generated at driver boot and passed securely by the FS.

4.  Use select in the daemon to manage multiple streams.