Since logging is exposed via static methods, it need to be thread-safe or multiple threads trying to log at the same time will cause bad things to happen.
Automatically formatted all files via VS. This generally corrects indentation, removes trailing whitespace and corrects misplaced tabs or spaces. Manually tweaked a few files where required.
Slightly modified the Log class to allow dummy channels that don't
write anywhere, then use it on Lint because map loading writes to
the "perf" channel.
