CLOUDSTACK-6895: 1. Populate firstclass entities as uuids in the context instead of dbids for performance.
2. Add ctxDetails in the ParamGenericValidationWorker to avoid warning for api validation
3. Add some missing events.
4. Correcting mapping for ResourceObjectType.NetworkACL and ResourceObjectType.NetworkACLItem

(cherry picked from commit 8a9092c3cd4e3c034f9f4d0a7491875dc080e9dc)

Conflicts:
	api/src/com/cloud/event/EventTypes.java
	api/src/org/apache/cloudstack/api/BaseCmd.java