When listing jobs, show their priority
When listing jobs, show their priority

Signed-off-by: Zack Cerza <d7cdf09fc0f0426e98c9978ee42da5d61fa54986@redhat.com>

robbat2/teuthology,dmick/teuthology,caibo2014/teuthology,SUSE/teuthology,ktdreyer/teuthology,dreamhost/teuthology,dreamhost/teuthology,dmick/teuthology,ceph/teuthology,robbat2/teuthology,SUSE/teuthology,SUSE/teuthology,caibo2014/teuthology,dmick/teuthology,ktdreyer/teuthology,ceph/teuthology