CR — Terminology inconsistency between Metamodel and XSD

In the XSD, we have timerEvent, userEvent and event but in the meta-model, we have timerEventListener, userEventListener and eventListener.

Rename event, timerEvent, and userEvent to eventListener, timerEventListener and userEventListener in the XSD

In CMMN11CaseModel.xsd
1) Rename complexType tEvent to tEventListener
2) Rename element event to eventListener
3) Change the type of eventListener to tEventListener
4) Rename complexType tTimerEvent to tTimerEventListener
5) Change the extension base of tTimerEventListener to tEventListener
6) Rename element timerEvent to timerEventListener
7) Change the type of timerEvent to tTimerEventListener
8) Rename complexType tUserEvent to tUserEventListener
9) Change the extension base of tUserEventListener to tEventListener
10) Rename element userEvent to userEventListener
11) Change the type of userEventListener to tUserEventListener