Ftw.file

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- Fixed filename in response header for download.
[Julian Infanger]

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- Table head should be in thead, body in tbody.
[Julian Infanger]

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- Added plone default classes to tables.
[Julian Infanger]

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- The image preview, should no be squarish.
[mathias.leimgruber]

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- Fixed MANIFEST.in (include ``*.rst``)
[mathias.leimgruber]

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- add test for is_image method in FileView
[eschmutz]

- fix: error when uploading a not scalable image mimetype (i.e. .dwg)
we now check for allowed mimetypes to fix the error
[eschmutz]