CAMEL-6072 Service Shutdown logic may execute N times // CAMEL-6073 Pairs of VM producer-consumer disconnect when OSGi bundle is restarted

git-svn-id: https://svn.apache.org/repos/asf/camel/branches/camel-2.9.x@1445266 13f79535-47bb-0310-9956-ffa450edef68