Backport OPENIDM-6656: Random error during startup causes startup fail or longer time to get ready

SEVERE: Bundle: org.forgerock.openidm.audit [138] [org.forgerock.openidm.audit.filter(21)] Circular reference detected, getService returning null
Sep 15, 2016 6:04:44 PM org.forgerock.openidm.logging.LogServiceTracker logEntry
SEVERE: Bundle: org.forgerock.openidm.api-servlet [44] FrameworkEvent ERROR
org.apache.felix.log.LogException: org.osgi.framework.ServiceException: Service factory returned null. (Component: org.forgerock.openidm.audit.filter (21))
        at org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:380)
...

Sep 15, 2016 6:07:01 PM org.forgerock.openidm.quartz.impl.RepoJobStore getTriggerGroupNames
WARNING: Error getting trigger group names
org.forgerock.json.resource.ServiceUnavailableException: Service is starting
        at org.forgerock.openidm.filter.ServiceUnavailableFilter.<init>(ServiceUnavailableFilter.java:43)
        at org.forgerock.openidm.servlet.internal.ServletConnectionFactory.<clinit>(ServletConnectionFactory.java:96)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
        at java.lang.Class.newInstance(Class.java:442)
...
Sep 15, 2016 6:07:08 PM org.forgerock.openidm.info.impl.HealthService setState
INFO: OpenIDM ready