Improves the field extraction and performance

Sets the event.category, event.type and the event.outcome fields based on the source data

Adds observer.* fields, for example: observer.type, observer.product and more

Adds new event.module, event.dataset and Cps.version fields

Removes the Product, related.user, related.host and related.ip fields

Sets following tags: Cps.version, Vendor, ecs.version, event.dataset, event.kind, event.module, event.outcome, observer.type