Refactored TVU, into stages
* blob fetch stage for blobs
* window stage for maintaining the blob window
* pulled out NCP out of the TVU so they can be separate units
TVU is now just the fetch -> window -> request and bank processing
* Needed for #341. Create a dummy entry with public key 0..., but with a valid gossip address that we can ask for updates. This will allow validators to discover the full network by just knowing a single node's gossip address without knowing anything else about their identity.
* once we start removing dead validators this entry should get purged since we will never see a message from public key 0, #344
It's not always a problem if line coverage drops. For example,
coverage will drop if you make well-tested code more succinct.
It just means the uncovered code is just a larger percentage of
the codebase.
Because we keep changing those scripts and not updating the readme.
Also, this removes the "-b 9000" starting validators. Is that right?
Or should we be passing that to the validator config?
The first header and its content is the only text displayed on
GitHub's mobile page. Reorder so that the disclaimer is the only
information people see.
Disclaimer: IANAL and assume reordering these doesn't matter. :)
