[pacman-dev] output issues

[Dan McGee]

checking package integrity... done.
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Who wants to step up to the plate and fix this stuff? I'm sure Xavier
can point us to the past conversations we've had on the subject, and
we really should fix it.

I liked the suggestion of buffering all these messages until after the
progress bar reaches 100%,. Of course, this could be a hard change to
make.

Output functions in general need a sprucing up and/or unification. I
know there are still printf("error...")  type things scattered around
the front end, and most of these could be replaced with a call to one
of the pm_vprintf functions.

-Dan