------------------
- Drop Plone 4.1 support.
[jone]
- File download: redirect to URL containing filename.
This allows us to easily track downloads in statistics tools.
[jone]
- Redirect users without any modifying permissions (without editable border)
to the download when not hitting a specific view.
Also add File back to allowAnonymousViewAbout for making sure that /view
is added in the navigation.
[jone]