Fixed bugs 591 (use call 107) and 859 (improved question in kom-status-conf)

Detailed changes:
> 	Fix bug 859:
> 	* swedish-strings.el,english-string.el (lyskom-messages): Fixed
> 	show-membership-info-q.
>
> 	Fix bug 591:
> 	* feature.el (read-ranges): New feature variable.
>
> 	* parse.el (lyskom-parse-membership-11): New function.
> 	(lyskom-convert-read-ranges-to-map): New function.
>
> 	* startup.el (lyskom-setup-client-for-server-version): Added
> 	features for protocol version 11.
>
> 	* utilities.el (lyskom-is-member): Pass want-read-ranges nil.
>
> 	* user-hooks.el (kom-read-last-text-hook): Pass want-read-ranges
> 	t.
>
> 	* prefetch.el (lyskom-prefetch-one-request): Pass want-read-ranges
> 	t.
>
> 	* mship-edit.el (lyskom-prioritize-flag-toggle): Pass
> 	want-read-ranges t.
>
> 	* lyskom-rest.el (lyskom-startup-check-recommended-memberships):
> 	Pass want-read-ranges nil.
> 	(lyskom-get-membership): Pass want-read-ranges t.
>
> 	* edit-text.el (lyskom-edit-send-check-recipients): Pass
> 	want-read-ranges nil.
>
> 	* commands2.el (kom-status-conf): Pass want-read-ranges t.
> 	(kom-set-unread): Ditto.
>
> 	* async.el (lyskom-parse-async): Pass want-read-ranges t.
>
> 	* commands1.el (lyskom-add-member-answer): Pass want-read-ranges
> 	t.
>
> 	* services.el (initiate-query-read-texts): Use call 107 when
> 	possible.
>