Update documentation version and repository URL
Organize imports
Go back to the document version list view after uploading a new document version, not to the document detail view
Remove custom property and use related_name feature of models
Update migration to use the form "document.versions" instead of "document.version_set"
Remove use of another custom property and use the related_name feature of the document page model
Move missing import from __init__ to links.py where is it now used
Fix the document upload link not appearing on some views