QPID-5666: HA fails with resource-limit-exceeded: Exceeded replicated queue limit

This is regression introduced in r1561206: CommitDate: Fri Jan 24 21:54:59 2014 +0000
  QPID-5513: HA backup fails if number of replicated queues exceeds number of channels.

Fixed by the current commit. PrimaryQueueLimits was not taking account of queues already
on the broker prior to promotion.

git-svn-id: https://svn.apache.org/repos/asf/qpid/branches/0.28@1588471 13f79535-47bb-0310-9956-ffa450edef68