fixed handling of event extractor restoration, to handle cases where the AEChip is a subclass of another class that already sets the event extractor. Now this subclass correctly restores the last event extractor.
fixed handling of event extractor restoration, to handle cases where the AEChip is a subclass of another class that already sets the event extractor. Now this subclass correctly restores the last event extractor.

git-svn-id: fe6b3b33f0410f5f719dcd9e0c58b92353e7a5d3@8121 b7f4320f-462c-0410-a916-d9f35bb82d52

SensorsINI/jaer,SensorsINI/jaer,viktorbahr/jaer,SensorsINI/jaer,viktorbahr/jaer,SensorsINI/jaer,SensorsINI/jaer,viktorbahr/jaer,SensorsINI/jaer,SensorsINI/jaer,SensorsINI/jaer,viktorbahr/jaer,viktorbahr/jaer,viktorbahr/jaer,viktorbahr/jaer