[Midnightbsd-cvs] mports: commands.mk: Add mount and umount related commands.

[laffer1 at midnightbsd.org]

Log Message:
-----------
Add mount and umount related commands.  This makes them available for pkg_install scripts, etc.

Modified Files:
--------------
    mports/Mk/components:
        commands.mk (r1.3 -> r1.4)
        (http://cvsweb.midnightbsd.org/mports/Mk/components/commands.mk?r1=1.3&r2=1.4)