Cleanup log noise

v2.2.1

• Update Changelog for 2.2.1
• Silence some log noise

Cleanup and use Gray instead of Black code styling.

v2.2.0

• Updated Changelog for v2.2.0
• Updated overview image
• Removed Black code style reference
• Removed TXThread
• Added days to uptime string formatting
• Updated select timeouts
• Rebase from master and run gray
• Added tracking plugin processing
• Added threads functions to APRSDPluginBase
• Refactor Message processing and MORE
• Use Gray instead of Black for code formatting
• Updated tox.ini
• Fixed LOG.debug issue in weather plugin
• Updated slack channel link
• Cleanup of the README.rst
• Fixed aprsd-dev