Reset vendoring to 0.6.3

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

@@ -139,4 +139,3 @@ Contributors
 - Sam Gunaratne <samgzeit@gmail.com>
 - Richard Scothern <richard.scothern@gmail.com>
 - Michel Couillard <couillard.michel@voxlog.ca>
-- Christopher Waldon <ckwaldon@us.ibm.com>

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

@@ -1141,19 +1141,6 @@ func (file *ObjectCreateFile) Close() error {
 	return nil
 }
 
-// Headers returns the response headers from the created object if the upload
-// has been completed. The Close() method must be called on an ObjectCreateFile
-// before this method.
-func (file *ObjectCreateFile) Headers() (Headers, error) {
-	// error out if upload is not complete.
-	select {
-	case <-file.done:
-	default:
-		return nil, fmt.Errorf("Cannot get metadata, object upload failed or has not yet completed.")
-	}
-	return file.headers, nil
-}
-
 // Check it satisfies the interface
 var _ io.WriteCloser = &ObjectCreateFile{}