Option for apropos(1) and whatis(1) to accept man.conf path

[Abhinav Upadhyay <er.abhinav.upadhyay%gmail.com@localhost>]

Hi All,

man(1) and makemandb(8) take the path of man.conf as an argument using
option -C. To be consistent, apropos(1) and whatis(1) should also
accept the same option, I have made this change.

However, -C option was being used by apropos(1) to disable showing the
context of the match, but using -C for man.conf would make it
consistent across all the related utilities. Therefore I've changed
the options for disabling/enabling showing matching context of the
query to -M/-m respectively from -C/-c.

Please update your scripts (if any), sorry for the inconvenience :-)

-
Abhinav