This is an unstable, "odd-cycle" release for doing development for ROS
1.4. This release has many changes. Most notably, genmsg_cpp is no
longer supported, so rosjava and rosoct will not work with this
release. Also, many packages have been moved to the 'rx' and
'documentation' stacks.

For more information, please see the blog post:

http://www.ros.org/news/2010/10/ros-130-released-unstable.html

 -- your friendly neighborhood ROS core devs