Using OMPL with MORSE

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I am trying to simulate the RRT* algorithm on a car-like robot. While going through the OMPL site I saw that OMPL is now interfaced with MORSE which would make it easier for me to simulate the actual results. I have installed ompl with python bindings and MORSE, Blender using the instructions here. But when I try to add the addon that is mentioned in the instructions, I cannot find the folder there. In the usr/local/share/ompl folder, I only have a demos folder - no addons folder. Has anyone successfully used OMPL with MORSE before?

On a side note, do you think MORSE is the right tool to use or should I opt for using MoveIt and Gazebo?