Modlog now uses synchronous fs directory reading to check all existing
modlogs.
Additionally, A new folder has been created to save all modlogs, since
battle modlogs are saved as well.
- Refer to the project as 'Pokemon Showdown' rather than 'Showdown'
- Up to date information about the logging features of Pokemon Showdown
- Use UNIX line endings (like the rest of the project does)