Merge pull request #636 from ibpsa/issue623_v060

Merge for v0.6.0 release

Merge pull request #580 from ibpsa/issue579_050

Closes #579

Merge pull request #524 from ibpsa/issue425_v040

Closes #425

Service: Consolidate timeouts into a single env var

The environment variable named SERVICE_TIMEOUT now controls inactivity
timeout as well as the timeout while waiting to select a testcase.

Merge pull request #456 from ibpsa/issue424_v030

Closes #424

Update travis.yml to be consistent with master

Merge pull request #407 from ibpsa/issue400_v020

Closes #400. Bumps to v0.2.0.

update releasenotes.md with date