Adds some overrides to the default build process
Removes the tabs that snuck in
Fixes indenting
Tries to inline the Selenium variables to avoid a 404
Tries an alternative track to download Selenium
Bumps the test harness version to avoid reporting back to SauceLabs if the env parameters are not set
Merge pull request #294 from guardian/rr-circle-ci

CI: update the build process so that Scribe can build in CircleCI