<openshift.ks> configure broker for mongodb replicants

If brokers and mongodb replicants were installed on the same host, the
broker logic was not pointing to the replicants, because it assumed that
local mongo means only local access needed. Fixed that so replicants
should also trigger remote mongo config.
<openshift.ks> enable GCing inactive queues
Merge pull request #257 from sosiouxme/enterprise-2.0

local mongodb replicants; GC activemq queues