de9c2bc43d p2p: Improve nonce documentation (Tobin C. Harding)
Pull request description:
Better describe what the nonce is used for.
Note this file has not had its docs manicured so the line length is 80 still, just use the same line length instead of the conventional 100.
Fix: #575
ACKs for top commit:
Kixunil:
ACK de9c2bc43d
apoelstra:
ACK de9c2bc43d
Tree-SHA512: ab18d9893fff4e673373125e607a4a60843a98cf84dc336fba9b6423da24ea3ad4c5fe5846ae8bcef51962dc2f3017157f2d7301c2c2cd1a81a37c3da6823552