Custom gym envs

OpenAI gym reacher env with done flag and completion reward
Env for 2D reacher (based on gym mujoco Reacher)
Env for Fetch reacher (based on gym robotics FetchReach)
Env for Half Cheetah with soft contacts (based on gym mujoco HalfCheetahEnv)
Panda robot reacher env
Panda robot pick/place env

Acknowledgements

Panda envs created using the franka_sim repo.