Merge pull request #43 from marcfallowsbb/master-alpha

Upgrading blinkbox testswarm
Merge pull request #44 from marcfallowsbb/master-alpha

Browser sets API, run adjustments, result JSON report
Merge pull request #45 from marcfallowsbb/master-alpha

Testswarm bug fixes / upgrades
Run cleanup based on heartbeat
 - Cleanup runs based on heartbeat, rather than client pings.
Merge pull request #47 from marcfallowsbb/cleanup

Run cleanup based on heartbeat