sync#3

Merged

zuoxingdong merged 9 commits intopatch-5from

Oct 25, 2018

Commits on Oct 18, 2018

Fixed typo (#1199)

prajwalgatti
authored and
pzhokhov
committed
xfvb -> xvfb (#1200)

zacwellmer
authored and
pzhokhov
committed
CartPole/Acrobot rendering fix (#1189)

cpacker
authored and
pzhokhov
committed

Commits on Oct 23, 2018

Fix a typo in gym/utils/play.py (#1187)

felixonmars
authored and
pzhokhov
committed
fix mujoco-related build failure
pzhokhov
committed
typo in travis.yml
pzhokhov
committed

Commits on Oct 25, 2018