• #53: Log to syslog in addition to existing console logging. Add --syslog-verbosity flag to
  customize the log level. See the documentation for more information:
  https://torsion.org/borgmatic/docs/how-to/inspect-your-backups/
• #178: Look for .yml configuration file extension in addition to .yaml.
• #189: Set umask used when executing hooks via "umask" option in borgmatic hooks section.
• Remove Python cache files before each Tox run.
• Add #borgmatic Freenode IRC channel to documentation.
• Add Borg/borgmatic hosting providers section to documentation.
• Add files for building documentation into a Docker image for web serving.
• Upgrade project build server from Drone 0.8 to 1.1.
• Build borgmatic documentation during continuous integration.
• We're nearly at 500 ★s on GitHub. We can do this!