robotic_arm/ur5/transforms/simulink: new simulink code to fix, tilting bug when pan_tilt angle is over 90" or below -90".
robot-arm.json: added thinning value for json config file under continuum/scan/thinning. snark-ur5-control: when following waypoints, and epsilon can be specified for comparing joint angles.
Merge branch 'master' of https://github.com/acfr/snark
Merge branch 'master' of https://github.com/acfr/snark