Move filename to be a document and not a documentversion property
Add document model manager to simplify and encapsulate document creation
Initial commit of the sources upload, new version and new document refactor
Add MultiFormView class based view, convert InteractiveUpload view to MultiForm view
Add initial new document version class based view
Remove remaked/unused code
No need to have this code in the Source model
Add new version upload background task
Finish implementing class based new version upload view
Add TODO reminder
Add flag to ignore result for background task of queue 'tools'