Wine Cellar

Changed

• use LoginRequiredMiddleware instead of LoginRequiredMixin

Fixed

• removed MaxValue validator from vintage field as it will cause a migration every year, the form already validates against a future vintage year input.
• optimise WineBaseForm code
• fix OpenMultipleChoiceField not adding the creating user
• prevent wine filters from leaking info about other users wines
• only show statistics on landing page about wines by the current user