vendor: update to latest versions of everything

vendor/github.com/ncw/swift/README.md

@@ -127,17 +127,25 @@ Contributors
 - Paul Querna <pquerna@apache.org>
 - Livio Soares <liviobs@gmail.com>
 - thesyncim <thesyncim@gmail.com>
-- lsowen <lsowen@s1network.com>
+- lsowen <lsowen@s1network.com> <logan@s1network.com>
 - Sylvain Baubeau <sbaubeau@redhat.com>
 - Chris Kastorff <encryptio@gmail.com>
 - Dai HaoJun <haojun.dai@hp.com>
 - Hua Wang <wanghua.humble@gmail.com>
-- Fabian Ruff <fabian@progra.de>
+- Fabian Ruff <fabian@progra.de> <fabian.ruff@sap.com>
 - Arturo Reuschenbach Puncernau <reuschenbach@gmail.com>
 - Petr Kotek <petr.kotek@bigcommerce.com>
-- Stefan Majewsky <stefan.majewsky@sap.com>
+- Stefan Majewsky <stefan.majewsky@sap.com> <majewsky@gmx.net>
 - Cezar Sa Espinola <cezarsa@gmail.com>
 - Sam Gunaratne <samgzeit@gmail.com>
 - Richard Scothern <richard.scothern@gmail.com>
 - Michel Couillard <couillard.michel@voxlog.ca>
 - Christopher Waldon <ckwaldon@us.ibm.com>
+- dennis <dai.haojun@gmail.com>
+- hag <hannes.georg@xing.com>
+- Alexander Neumann <alexander@bumpern.de>
+- eclipseo <30413512+eclipseo@users.noreply.github.com>
+- Yuri Per <yuri@acronis.com>
+- Falk Reimann <falk.reimann@sap.com>
+- Arthur Paim Arnold <arthurpaimarnold@gmail.com>
+- Bruno Michel <bmichel@menfin.info>

vendor/github.com/ncw/swift/swift.go

@@ -1895,6 +1895,10 @@ func (c *Connection) doBulkDelete(objects []string) (result BulkDeleteResult, er
 // * http://docs.openstack.org/trunk/openstack-object-storage/admin/content/object-storage-bulk-delete.html
 // * http://docs.rackspace.com/files/api/v1/cf-devguide/content/Bulk_Delete-d1e2338.html
 func (c *Connection) BulkDelete(container string, objectNames []string) (result BulkDeleteResult, err error) {
+	if len(objectNames) == 0 {
+		result.Errors = make(map[string]error)
+		return
+	}
 	fullPaths := make([]string, len(objectNames))
 	for i, name := range objectNames {
 		fullPaths[i] = fmt.Sprintf("/%s/%s", container, name)