New functions in services.h

(prot_a_is_legal_fnc): fnc_accept_async and fnc_query_async are legal calls

(Res_type): Added rt_num_list.
(Result_holder): Added num_list.

(async_send_group_message, async_send_message): Option to force message to user regardless of async message reception preferences

(Async): Added ay_dummy_last
(ASYNC_DEFAULT_MESSAGES): New define.

(send_message): Force message to user if it has an explicit letterbox recipient or the sender is an administrator

 HAVE_CRYPT_H.

(locate_member): Declared non-static to avoid conflict with membership.h.
(top level): Include crypt.h. Initialize oformat to -1.
(main): Added options to set kom-info fields.
(give_help): Added help for the new options.

(cache_sync): Output kom_info structure.
(init_cache): If no explicit output format is given, select output
format to be the same as the input format.
(init_cache): Initialize read_text_num and read_conf_num to avoid
compiler warnings.