Added LISTSERV timed event (to execute ?listserver.js).

smb_lockmsghdr() was sleeping because the lock attempt failed (the header was
already locked in smb_addmsg()). So smb_lockmsghdr() will now only sleep if
the unlock() call was successful.
Bugfix in smb_getmsghdr(), msg->total_hfields was incremented before the read
and malloc of hfield_dat, if the read failed, the subsequent call to
smb_freemsgmem() would segfault.

change.

Disabled embedded-JS options (not currently supported).

Changed window position to "default".

EditFile(), allows editing of .js files instead of attempting to execute them
(with wsh).

error if no user database existed).

sbbs_read_ini().

Created msgbase.cfg.index (as 'undefined').

(different from void).

needs exclusive access to the directory).

Only save .ini settings (not registry) when completing config wizard.
Don't back-up any .cnf files when completing config wizard.