Add missing AMQP options to glance-api.conf

Add more AMQP and QPID configuration options
to the glance-api configuration file. This enables
users to use QPID federation support and also
use durable queues for rabbitmq or QPID.

Change-Id: I2bdc0f713c7363966a192bfce9b59b3f312532d1