Matthew N. Dodd 5e3714183f Implement the 'Q' option which is like 'q' (quiet output) except
that it prefaces the output with the package name.

This is useful for things like this:

# pkg_info -Qsa | awk -F : '{print $2 "\t" $1}' | sort -rn | expand -t 10
2003-03-25 00:51:41 +00:00
..