Handle a project-template with no jobs

A project may only have jobs attached to it via a projcet-template,
with no project-local jobs.  Because projects and project-templates
share a parser, we need to account for this case, so default the
job list to the empty list.  If someone creates a job-template with
no jobs, that's harmless.

Change-Id: Ibc6f94f38e9d71273180901005166dc191dcdd00
1 file changed