* pass device_id=-1 when rendering mujoco in rgb_array mode
* trying ubuntu18.04 build
* use travis build matrix
* use travis build matrix
* use travis build matrix
* use fix 18.04 installation steps
* use fix 18.04 installation steps
* try py3 instead of py35
* trying the 14.04 build; cleaning up the 16.04 package list
* fixes to dockerfile.14.04
* fixes to dockerfile.14.04
* fixes to dockerfile.14.04
* fixes to dockerfile.14.04
* fixes to dockerfile.14.04
* fixing system package list for 14.04
* 16.04 build working
* clean up test.dockerfile.16.04
* adding python-numpy system package
* add patchelf
* remove python-numpy from 16.04 dockerfile
* 14.04 does not use mujoco (patchelf problem)
* cleaning up 18.04 dockerfile
* added comment to 14.04 dockerfile
* fix syntax in 14.04 dockerfile
* being fancy and switching from apt-get to apt command in 18.04 dockerfile
* update README.rst to use apt (instead of apt-get) on ubuntu 18.04
* don't export MUJOCO_KEY if not present
* proper if-else expression in docker_entrypoint
* skip_mujoco is determined based on presence of mjkey.txt
* replace -z with -e in docker_entrypoint
* exclude robotics environments from tests when mujoco key not present
* build test image from scratch from ubuntu:16.04
* removed pulling old image from .travis.yml
* try installing keyboard-configuration on docker on travis
* trying install keyboard-configuration before rest of the packages
* upgrading dockerfile and entrypoint to work with ubuntu16.04
* fixing dummy display config wip
* install keyboard-properties first in dockerfile
* pass mujoco_key in .travis.yml
* skipsdist in tox.ini
* removed unpacking of the mujoco bundle in entrypoint
* using xvfb for fake display
* comment out self.viewer.close
* install ffmpeg
* squash run commands in dockerfile
* fixed typo in dockerfile
* fixed typo in dockerfile
* fixed typo in dockerfile
* use self.np_random in robotics/hand/manipulate
* some cleanups in .travis.yml
* cleaning up accidental changes
* cleaning up accidental changes
* inject mujoco key on runtime (instead of container buildtime)
* remove webhooks section from .travis.yml
