Provide a fallback mimetype (text/plain) for build_error_response
Provide a fallback mimetype (text/plain) for build_error_response

jpajuelo/wirecloud,jpajuelo/wirecloud,jpajuelo/wirecloud,rockneurotiko/wirecloud,rockneurotiko/wirecloud,rockneurotiko/wirecloud,jpajuelo/wirecloud,rockneurotiko/wirecloud