Remove Sawyer Files

[utkarshjp7]

The PR fixes #330.

Removed following files and folders.

• envs/mujoco/sawyer
• contrib/ros
• tests/garage/envs/mujoco/sawyer
• examples/theano/trpo_sawyer_reacher.py

[coveralls]

Coverage increased (+0.02%) to 65.118% when pulling 3ca3499 on remove_sawyer into df640a5 on master.

[codecov]

Codecov Report

Merging #352 into master will increase coverage by 0.02%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #352      +/-   ##
==========================================
+ Coverage   64.65%   64.68%   +0.02%     
==========================================
  Files         218      212       -6     
  Lines       14337    13977     -360     
==========================================
- Hits         9270     9041     -229     
+ Misses       5067     4936     -131

Impacted Files	Coverage Δ
garage/envs/mujoco/gather/gather_env.py	56.56% <0%> (-1.02%)	⬇️
garage/envs/mujoco/maze/maze_env.py	82.21% <0%> (+1.44%)	⬆️
garage/theano/optimizers/first_order_optimizer.py	85.5% <0%> (+1.44%)	⬆️
garage/envs/mujoco/point_env.py	77.77% <0%> (+11.11%)	⬆️

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[ryanjulian]

Please make sure we can run these environments in the other repo(from garage) before submitting this change.

[utkarshjp7]

The build is failing because some commit messages are not capitalized.
@ryanjulian Should I close this one and create another pull request with capitalized commit messages?

[ryanjulian]

Use git rebase -i master to rewrite your commit messages.

[ryanjulian]

Please read CONTRIBUTING.md about why you shouldn't use git merge or merge commits.