Add the `lc' option to default. Having getty understand the issues of
CAPS-only terminals is a nop these days, but `lc' avoids hassles for
people with CAPS-only user names.
Suggested by: Don Yuniskis
weekly:
Modify the call to makewhatis, now that our makewhatis can take the
entire ${MANPATH} as a single argument.
(see changes to getty which this patch is part of)
Basically, a few of the tty flags were changed to work better with
'CRT's, and the flags are better documented (documentation from Bruce
Evans).
