Before each of these calls a call to enrol_user() is made, which
triggers the event 'user_enrolment_created'. Nothing more is needed.

Before each of these calls a call to unenrol_user() is made, which
triggers the event 'user_enrolment_deleted'. Nothing more is needed.

Also add the field cacherev to the lists of default fields in course retrieval functions

Rajesh Taneja authored Aug 19, 2013 and Damyon Wiese committed Sep 02, 2013

This change includes:
* Added user_updated event, replacing old event
* Added user_created event, replacing old event
* Added user_deleted event, replacing old event
* Added user_loggedout event, replacing old event
* Added user_enrolment_created event, replacing old event
* Added user_enrolment_deleted event, replacing old event
* Added user_enrolment_updated event, replacing old event

This finally allows us to type only the class name when executing individual core test cases.

This will be used in navigation.