PyBossa/pybossa-default-theme — pull request #51 by therealmarv (2014-12-02 16:14:36+00:00)
Title: Warm up export zip rq

Will give fewer error messages in Chrome and FF:
"Resource interpreted as Document but transferred with MIME type application/zip"

References:
https://developer.mozilla.org/en-US/docs/Web/HTML/Element/a#attr-download
https://html.spec.whatwg.org/multipage/semantics.html#downloading-resources