* files.el (remote-file-name-inhibit-cache): New defcustom.

* files.el (remote-file-name-inhibit-cache): New defcustom.

* time.el (display-time-file-nonempty-p): Use
`remote-file-name-inhibit-cache'.

* net/tramp.el (tramp-completion-reread-directory-timeout): Fix
docstring.

* net/tramp-cache.el (tramp-cache-inhibit-cache): Remove.
(tramp-get-file-property): Replace `tramp-cache-inhibit-cache' by
`remote-file-name-inhibit-cache'.  Check also for an integer
value.  Add/increase counter when `tramp-verbose' >= 10.
(tramp-set-file-property): Add/increase counter when
`tramp-verbose' >= 10.

* net/tramp-cmds.el (tramp-cleanup-all-connections)
(tramp-cleanup-all-buffers): Set tramp-autoload cookie.
(tramp-bug): Set tramp-autoload cookie.  Report all interned
tramp-* variables.  Report also `remote-file-name-inhibit-cache'.
(tramp-reporter-dump-variable): Fix docstring.  Mask non-7bit
characters only in strings.

* net/tramp-compat.el (remote-file-name-inhibit-cache): Define due
to backward compatibility.

* net/tramp-sh.el (tramp-handle-verify-visited-file-modtime)
(tramp-handle-file-name-all-completions)
(tramp-handle-vc-registered): Use
`remote-file-name-inhibit-cache'.
(tramp-open-connection-setup-interactive-shell): Call
`tramp-cleanup-connection' directly.