Release 1.0.12 · Lernstick/glados

Support:
- The server package is supported on Debian 11
- Debian 11 Client support for Lernstick EXAM >=2022-10-08 (see https://www.digitale-nachhaltigkeit.unibe.ch/dienstleistungen/lernstick/downloads/index_ger.html)
- lernstick-exam-client version >=1.0.19
- No more Debian 10 Server support!
- No more Debian 10 Client support!
New Features:
- New server status view added to monitor server metrics
  - CPU load
  - Memory usage
  - Swap usage
  - Webserver processes
  - DB connections
  - Daemon load
  - I/O usage
  - Inotify watches and instances
  - Disk usage
  - Network usage
- New role system
  - Possibility to add own roles with fine-grained permissions added
  - Users can be associated to multiple roles now
  - LDAP users can be mapped to these new roles
- New server logs view
Fixed several bugs:
- Some translation typos fixed
- Fixed a bugwhen submitting results
- When restoring a file that does not exist, throw an error now
Changes:
- Extended pagers to be more dynamic with selectale page size
- Daemon view refactored
- Views of logfiles extended by colors
- General log verbosity increased
- Refactored the finish exam process
- Client and server now compare their rdiff-backup version and throw an error if they don't agree
- All the client interaction scripts are written in Phyton3 now

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