create per environment Dockerfiles. (#70)

* create per environment Dockerfiles.

Adjust CI setup to better parallelize runs.
Fix a couple of issues in golden and trace tests.
Update a few of the docs.

* bugfix in mmc agent.

Also install kubectl for CI, update badge branch.

* remove integration test parallelism.

rl_coach/tests/test_eks.py

@@ -37,6 +37,7 @@ class EKSHandler():
         container = client.V1Container(
             name=self.test_name,
             image=self.image,
+            command=['/bin/bash', '-c'],
             args=[self.test_command],
             image_pull_policy='Always',
             working_dir=self.working_dir,