Currently, Ironic api-ref is configured with logABug feature.
When users click "Report bug" button, it leads to
"bugs.launchpad.net/openstack-manuals" which is default.
We should change it to "bugs.launchpad.net/ironic/"
Change-Id: Ifb0e34a41807f87ae4d5402064b63b76e89ec0b4