What's Changed
* Update to leverage environment getGroupJointNames by Levi-Armstrong in https://github.com/ros-industrial/tesseract_planning/pull/123
* Make environment cache methods const by Levi-Armstrong in https://github.com/ros-industrial/tesseract_planning/pull/124
**Full Changelog**: https://github.com/ros-industrial/tesseract_planning/compare/0.6.1...0.6.2