Ensure WORKINPROGRESS reviews are at the bottom of the list.
Ensure WORKINPROGRESS reviews are at the bottom of the list.

WORKINPROGRESS reviews should not be at the top of the reviewday list
for a given project. The score will always be 0 for WIP reviews and
the subject line (in the generated report) will be prefixed with
a '(WIP): ' to indicate it is work-in-progress.

Change-Id: I32f7e08341dcbf1a0aa965a5f377c7fdc8613ead

openstack-infra/reviewday,openstack-infra/reviewday