bumped OCCU version to 3.51.6-6 so that we include latest ReGaHss (R1.00.0388.0219).
bumped OCCU version to 3.51.6-6 so that we include latest ReGaHss
(R1.00.0388.0219).

jens-maus/RaspberryMatic,jens-maus/RaspberryMatic,jens-maus/RaspberryMatic,jens-maus/RaspberryMatic,jens-maus/RaspberryMatic,jens-maus/RaspberryMatic