* net/tramp-imap.el (top): Add `X-Size' to `imap-hash-headers'.
(tramp-imap-do-copy-or-rename-file): Don't use the inode, when
calling `tramp-imap-put-file'. Add file size to the call.
(tramp-imap-get-file-entries): Compute also user name, file size,
and date.
(tramp-imap-handle-insert-directory): Insert uid and gid.
(tramp-imap-handle-file-attributes): Transform uid and gid
according to `id-format'.
(tramp-imap-put-file): New optional parameter SIZE. Encode file
size in header X-Size.