Ouch! You certainly didn't need to reinstall Ubuntu just to get that new file.
The world file is available
here
The rest of that output is A-OK! All of that is just information you might find useful as you become more familiar with frcsim.
Gazebo and the driverstation are no longer launched when you run your eclipse program. This is because
you shouldn't ever need to restart them. You can edit and re run your robot code without closing gazebo or the driverstation.
Have you gotten the Gearsbot example working?