Description of problem:

If there is a job in the queue marked "WAITING", it will never get processed until candlepin is restarted.


Version-Release number of selected component (if applicable):
0.9.51.20


How reproducible:
Always


Steps to Reproduce:
1. Create two identical jobs, one immediately after the other. For example, create two jobs to refresh the pools of a specific owner. Make note of both of the job ids.
2. Poll the first job until its status reads "FINISHED"
3. Poll the second job. Its status will always be "WAITING"

Actual results:
The job marked "WAITING" never gets processed.


Expected results:
The job gets processed if the queue isn't too full and the first job is completed.