Don't die on missing status element.
Upgrade the virtual environment to the latest versions.
Updating expected failures for steve's chained timing function change.
Merge pull request #457 from mithro/steve-fix

Updating IE's expected failures for Steve's chained timing function change.
Merge pull request #456 from mithro/small-fix

Two small fixes to run-tests code (for Firefox)
Add key to travis.yaml