RTGOV-546 Fix rtgov bundle refresh issues when feature 'switchyard' is installed. Needed to change elasticsearch embedded node to be a service, so will need a CDI injection option for EAP. Switched over to using async service listener approach on ServiceRegistryUtil instead of accessors, which were causing a felix thread to block.
Merge pull request #180 from objectiser/RTGOV-546

RTGOV-546 Fix rtgov bundle refresh issues when feature 'switchyard' is i...