* Add nph check to fluffy CI lint
* Add a section on nph usage in the fluffy.guide
* Update copyright years for altered files
* Avoid chained methods formatting style in db code
* Update nph in CI to v0.5
* Remove leftover commented import
* Move comment to avoid nph turning complex list into simple list (nph bug)
* Update nph in CI to v0.5.1
* Formatting fluffy with nph v0.5.1
* Add clientInfo to ENR for easier testnet debugging
* Remove git rev from ENR client info
This allows for a shorter ENR which allows more ENRs to be packed
in the Nodes reply. And for glados, only the client name is used
anyhow.