Add more macro events

To meet customer demands for modelling support via scripts we need additional macro events for Architect and Connect Designer:

Trigger when an occurrencecopy has beend created

Trigger when anoccurrence copy is going to be created (vetoable)

Trigger when a definition copy has beend created

Trigger when a definition copy is going to be created (vetoable)

I will update this FR as more requirements for new macro events are going to show up.