Use Foreman client certificates to setup qpid queues

Katello uses the Foreman client certificates to talk to Qpid when
katello-agent support is enabled, the same should be used when
setting up Qpid queues and exchanges and not the server certificates
that are intended to be used by Qpid itself.

manifests/qpid.pp

@@ -48,9 +48,11 @@
   contain qpid
 
   if $katello::params::enable_katello_agent {
+    include certs::foreman
+
     qpid::config::queue { $katello::params::agent_event_queue_name:
-      ssl_cert       => $certs::qpid::client_cert,
-      ssl_key        => $certs::qpid::client_key,
+      ssl_cert       => $certs::foreman::client_cert,
+      ssl_key        => $certs::foreman::client_key,
       hostname       => $katello::params::qpid_hostname,
       username       => $certs::qpid::hostname,
       sasl_mechanism => 'EXTERNAL',