Add param to api docs for verbose build output

docs/sources/api/docker_remote_api_v1.3.rst

@@ -881,6 +881,7 @@ Build an image from Dockerfile via stdin
         The Content-type header should be set to "application/tar".
 
 	:query t: tag to be applied to the resulting image in case of success
+	:query q: suppress verbose build output
 	:statuscode 200: no error
         :statuscode 500: server error