Real world testing exposed different calling conventions when mulitipart files are attached.  Handle POSTs where the filename is the key, rather than 'file' as seen in online flask docs.
Real world testing exposed different calling conventions when mulitipart
files are attached.  Handle POSTs where the filename is the key, rather
than 'file' as seen in online flask docs.

uwcirg/true_nth_usa_portal,uwcirg/true_nth_usa_portal,uwcirg/true_nth_usa_portal,uwcirg/true_nth_usa_portal