Use fedorapeople for getting fedora image
Use fedorapeople for getting fedora image

It looks the official Fedora mirror is unstable right now, so we
uploaded the image to fedorapeople. This is a temprorary solution.
Once the official mirror become stable, we switch back to it.

Note: alt.fedoraproject.org seems to have a newer image and
the official mirrors (download.fedoraproject.org) do not seem to have
gotten the new image yet. So when download.fedoraproject.org
redirects (302) to a mirror the image does not exist there. We can
pull image from alt directly, but we opted for using fedorapeople as
we don't want to introduce load on alt.

Co-Authored-By: Hongbin Lu <hongbin.lu@huawei.com>

Closes-Bug: #1567124
Change-Id: I441898d846d1768b9723b293196b5339271a377e

ArchiFleKs/magnum,ArchiFleKs/magnum,openstack/magnum,openstack/magnum,jay-lau/magnum