Aa-srp

Added

- Workaround for possible bug in AA-Discordbot (41)

Changed

- General code cleanup and modernization
- Switched to Alliance Auth App Utils for some helper functions

Removed

- Non-used code

Changed

- Minimum requirements
- Python 3.7
- Alliance Auth v2.9.3

Fixed

- AttributeError ('NoneType' object has no attribute 'id') when, for whatever reason,
the ship type has been removed from the `EveType` table

Added

- Versioned static files to prevent browser cache related errors on app updates

Changed

- Minimum requirements for:
- Alliance Auth (>= 2.9.0)
- Django Eveuniverse (>= 0.8.2)
- Python (>= 3.7)

Fixed

- AttributeError: Resource Killmails not found. Available resources: Alliance,
Character, Corporation, Universe. This was caused by using AA's ESI provider,
which has changed. We now use our own ESI provider for everything ESI related.
- Get the sentry username when a creator/reviser has been deleted

Changed

- Improved performance by reducing the number of SQL queries

Added

- Check for compatibility with Python 3.9 and Django 3.2