* add generic audit_trail service in core
* expose auditTraik service to plugins
* add auditTrail x-pack plugin
* fix type errors
* update mocks
* expose asScoped interface via start. auditor via request context
* use type from audit trail service
* wrap getActiveSpace in safeCall only. it throws exception for non-authz
* pass message to log explicitly
* update docs
* create one auditor per request
* wire es client up to auditor
* update docs
* withScope accepts only one scope
* use scoped client in context for callAsInternalUser
* use auditor in scoped cluster client
* adopt auditTrail plugin to new interface. configure log from config
* do not log audit events in console by default
* add audit trail functional tests
* cleanup
* add example
* add mocks for spaces plugin
* add unit tests
* update docs
* test description
* Apply suggestions from code review
apply @jportner suggestions
Co-authored-by: Joe Portner <5295965+jportner@users.noreply.github.com>
* add unit tests
* more robust tests
* make spaces optional
* address comments
* update docs
* fix WebStorm refactoring
Co-authored-by: Joe Portner <5295965+jportner@users.noreply.github.com>