Install Guide: Set bug project
Install Guide: Set bug project

Configure the theme so that bug reports go to the
magnum queue.

Change-Id: Ieb11c6246ffd844e7c0e9ee7c3bbffdb64026aa1
Partially-Implements: blueprint magnum-installation-guide

openstack/magnum,openstack/magnum,ArchiFleKs/magnum,ArchiFleKs/magnum