Add a simple dynamics simulator which operates outside of gazebo. This should help testing GNC changes. Change launch files so that the dynamics simulator, gazebo, and core launch file all share a common base. Various other fixes encountered while testing.
closes #380
Add a simple dynamics simulator which operates outside of gazebo. This should help testing GNC changes. Change launch files so that the dynamics simulator, gazebo, and core launch file all share a common base. Various other fixes encountered while testing.