Cherry pick of 1ccfb08 (bogus Errorf token) (#1749)
Cherry pick of 1ccfb08 (bogus Errorf token) (#1749)

* Fix for v1 multipart/form-data Swagger semantic error (#1742)

* Added Action specific Consumes support for multipart

* Added unit test for multipart

* Fixed bogus Errorf token

ZjMNZHgG5jMXw/goa,smessier/goa