Develop Routing Node Module/Plugin

[lancekrogers]

1. Develop Routing Node Module
   1. A relay node that keeps a list of municipal node address and their IPs
   2. Routes asset transactions to the right nodes
   3. Needs to scan the chain for recently registered assets, check if the issuer is in their list, if they aren't it needs to add them to the list
   4. Routing nodes need to share their list with other routing nodes (gossip protocol)