Can we fix rsync for packages.ros.org

[tfoote]

@gavanderhoorn

Edit: should this thread be moved to the Mirrors category btw?

Good idea. Bumped

The endpoints were setup cleanly.

rsync.osuosl.org::ros-main

and

rsync.osuosl.org::ros-testing

now host the main and shadow-fixed repos via rsync.