Let Go log scanner match on cert serial number too.
Merge pull request #281 from AlCutter/go_scanner

Let Go log scanner match on cert serial number too.
Print the CT logs list even when it is unsigned.

Changing the Python log list utility to allow skipping the signature check, as we now distribute an unsigned list of all known CT logs.
Fixing Python scanner.
Python Scanner: Shutdown multiprocessing manager

This fixes the scan_log function to be re-entrant.