add entrypoint.sh and fix headless graphics_device_id

Update README.md

Merge pull request #37 from Haichao-Zhang/master

Fix pre-trained model path in README.md

Update README.md

Update README.md

Fix installer command: directory and permissions

Merge pull request #17 from mcx/master

Relaxed package versions for dependencies

Update install_deployment_code.sh

Update README.md

(1) reduce gravity randomization range in train/test scripts to match paper. (2) remove dead code from Dockerfile

Merge pull request #5 from Kashu7100/master

Update dependencies

Reactivate the hip collision in Go1 URDF