add runTime and closedAt to overview/detail
Merge pull request #20 from temp/master

Runtime information
fixes variable name
adds safe object type for stack traces (closes #19)
adds an index for the job-queue runner
Merge remote-tracking branch 'upstream/master' into fix-column-name

* upstream/master:
  adds an index for the job-queue runner
  adds safe object type for stack traces (closes #19)
  fixes variable name
  add runTime and closedAt to overview/detail

Conflicts:
	Entity/Job.php