The bchd seed owner says that since there are no bchd nodes on main-chain
due to the code being outdated, the seed is empty.
We hope this will change in the future, but for now it makes no sense to
query it since it will just generate a fail.
Peers take a good amount of time to respond, so wait longer before
connecting to a different peer.
We now wait 60 seconds before creating more connections.
We reuse the NetworkManager lower level code in order to connect
to the Bitcoin P2P network.
This implements the basics for anyone wanting to be a player on
this network.