* net/tramp.el (tramp-handle-file-remote-p): Handle optional

* net/tramp.el (tramp-handle-file-remote-p): Handle optional
parameter IDENTIFICATION.
(tramp-handle-set-file-times): New defun.  Replaces `tramp-touch'.
(tramp-file-name-handler-alist, tramp-file-name-for-operation):
Add entry for `set-file-times'.
(tramp-do-copy-or-rename-file-via-buffer)
(tramp-do-copy-or-rename-file-out-of-band): Use `set-file-times'.
(tramp-handle-unhandled-file-name-directory): Rewrite.
(tramp-convert-file-attributes): Add error handling when inode is
extraordinary big.
(tramp-get-inode): Change parameter from FILE to VEC.
(tramp-handle-start-file-process ): Use (current-buffer) if BUFFER
is NIL.  This is according to the specification.  Goto (point-max)
when ready.
(tramp-handle-shell-command): Rewrite completely, using
`process-file' and `start-file-process'.
(tramp-methods, tramp-find-shell)
(tramp-open-connection-setup-interactive-shell)
(tramp-maybe-open-connection): Guard against $PROMPT_COMMAND shell
var.  Reported by Steve Youngs <steve@sxemacs.org>.

* net/tramp-fish.el (tramp-fish-file-name-handler-alist): Add
entry for `set-file-times'.  Rename `start-process' into
`start-file-process'.  Remove `call-process' entry.
(tramp-fish-handle-set-file-times): New defun.
(tramp-fish-handle-executable-find): Use `process-file'.
(tramp-fish-handle-process-file): New defun.  Replaces
`tramp-fish-handle-call-process'.
(tramp-fish-do-copy-or-rename-file-directly): Use
`set-file-times'.
(tramp-fish-get-file-entries): Change `tramp-get-inode' parameter.

* net/tramp-smb.el (tramp-smb-handle-file-attributes): Change
`tramp-get-inode' parameter.