reciprocity/ggrc-core — pull request #1176 by danring (2014-03-31 19:08:21+00:00)
Title: Fix mimetype check

* Some browsers (Firefox) include "; charset=UTF-8" in the
`Content-Type` header, so our previous `Content-Type` check failed.
Flask's `request.mimetype` parses this correctly, so use that instead
of checking `Content-type` header directly.