HornetQ configurations for broadcast and discovery groups do not use socket bindings

<broadcast-groups>
    <broadcast-group name="bg-group1">
	<group-address>231.7.7.7</group-address>
	<group-port>9876</group-port>
	<broadcast-period>5000</broadcast-period>
	<connector-ref>netty</connector-ref>
    </broadcast-group>
</broadcast-groups>

<discovery-groups>
    <discovery-group name="dg-group1">
	<group-address>231.7.7.7</group-address>
	<group-port>9876</group-port>
	<refresh-timeout>10000</refresh-timeout>
    </discovery-group>
</discovery-groups>
....

<socket-binding-group name="standard-sockets" default-interface="public" port-offset="${jboss.socket.binding.port-offset:0}">
...
    <socket-binding name="jgroups-diagnostics" port="0" multicast-address="224.0.75.75" multicast-port="7500"/>
    <socket-binding name="jgroups-mping" port="0" multicast-address="${jboss.default.multicast.address:230.0.0.4}" multicast-port="45700"/>
...