Bob was timing out if the encrypted signature could not be sent in 60
seconds. This behaviour is unnecessary because we are racing against
the cancel timelock anyway. By timing out before this, we remove the
opportunity for bob and alice to re-establish a connection.
This command uses a rendezvous node to find sellers (i.e. ASBs) and query them for quotes.
Sellers, that can be dialed and queried for a quote will be listed.
Some network and application specific code does not belong in the protocol module and was moved.
Eventloop, recovery and the outside behaviour were moved to the respective application module because they are application specific.
The `swap_setup` was moved into the network module because upon change both sides will have to be changed and should thus stay close together.