New Australian mirror

[Joshua Root]

We now have a mirror of the ports tree and distfiles located in
Brisbane, Australia. Many thanks to the fine folks at AARNet for hosting it!

Distfiles are automatically downloaded from the fastest source, so all
you have to do to take advantage of the new mirror is run:

sudo port selfupdate

See this page for more information about our mirrors:
<http://trac.macports.org/wiki/Mirrors>

- Josh