Don't open a terminal for rviz.
Don't assume any path for the background.

Let the user of the role decide on the file structure.
Fix bug with re-adding ar_pose
Thin desktop is buggy

Seemed to have a base image with a dodgey network manager installed that broke
the networking as soon as a desktop logged in. This seems to stop that.
Share glassbot workspace.
Merge branch 'master' into F_glassbot_tweaks

Conflicts:
	vagrant/experimental/glassbot/Vagrantfile
Dont need it twice!
ROS Hydro image.
Use the glassbot config for rviz
Merge pull request #71 from shadow-robot/F_glassbot_tweaks

F glassbot tweaks