Added MySQL
Merge branch 'feature/821-composer'
re #869 - Removed street editable behavior
re #569 - Draft: register custom user.session object to prevent exceptions when invoking the user session
Revert "re #869 - Removed street editable behavior"

This reverts commit 9e9ed3c7b539db4d9d7660bc70e8382c8461a648.
Merge branch 'hotfix/869-cron' into staging
Merge branch 'staging' of github.com:belgianpolice/internet-platform into staging