Job's don't transition the `JobRunning` condition to false once complete

[chrisdoherty4]

Given jobs can lay in the system for a while the conditions on the job should reflect its current state. Currently, we have JobRunning and JobComplete where 'Complete' represents success. However, we don't transition JobRunning to 'False' once its finished which creates for a confusing API.

It would be useful to reflect the state of the job more accurately and be consistent with other fields on jobs that indicate the job has finished.

[chrisdoherty4]

I got to thinking. Perhaps JobRunning isn't right. Perhaps JobStarted is what we need because then it doesn't need updating. This is more how conditions are meant to be used unlike the current configuration that implies a state machine (not what conditions are for).