PT41979891: add option to disable XMPP presence

- new openfire setting to enable / disable presence
- if XMPP presence disabled then SQA event handler is not started and resource-lists.xml file won't contain ~~id~xmpprlsclient list
- SQA event handler is not started and resource-lists.xml file won't contain ~~id~xmpprlsclient list also if RLS or openfire features not enabled

Conflicts:

	sipXopenfire/config-plugin/src/org/sipfoundry/sipxconfig/openfire/OpenfireConfiguration.java