Add experiments and scripts

Fix cmake file to include ompl

Merge branch 'master' of github.com:aorthey/MotionPlanningExplorerGUI

Minor

Repair cable robot

Add additional experiments.

Update README.md

Outsource LocalMinimaNode

Add new experiments.

Remove path visibility checker (too time consuming).

Add multiagent x time motionvalidator

Add more robust optimization routine to multimodal planner

Add symbolic diff script for Klein bottle.

Add sparse experiments.

Add stub for time-based planner.