Upgrade the Robot Operating System ports to their 1.4 aka Diamondback versions.
Detailed changelists are available on the WWW sites.
- distribution files are now fetched from upstream servers instead of
using local copies from my server
- Python files are now always compiled (to .pyc and .pyo) and use Python 2.7
- devel/ros is now split in to devel/ros, devel/ros-documentation,
devel/ros-rx, and devel-ros-comm to allow more lightweight installations
- Connect latter 3 ports to the build