Feature/readying for deployment

Created by: ghost

Many many changes, sorry about that...

• correct wrong settings for celery
• better default settings in compose-common
• include more settings, which should be configurable
• added ssl settings as comments
• added and removed again: deploy script

Tests:

• Ran tests with RUN_E2E=true ./test.sh: all green.
• Ran ./setup.production.sh:
  • if ran more than once, it keeps the database: true
• allowing login without csrf errors: true
• login with clavid succeeds: true
• extraction order can be placed as admin and non-admin: true

Reviewed by:

• @das-g