added  check for nonnull remote control in constructor, in case another chip has already used up the (single) Chip remote control port.
added  check for nonnull remote control in constructor, in case another chip has already used up the (single) Chip remote control port.


git-svn-id: e3d3b427d532171a6bd7557d8a4952a393b554a2@2977 b7f4320f-462c-0410-a916-d9f35bb82d52

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