Adding qpid support to glance

Moving all mq related parameters under default["openstack"]["image"]["mq"]
so that other mq options can be added under it. Eventually, all rabbit
options will be brought under it. Bumped up version to 7.1.0

Implements: blueprint qpid-activemq-support

Change-Id: Ie0ed02a9262136c208d88d05f2431ff351e2edb2