make CSCTriggerPrimitivesProducer inherit from edm::one::producer because it accesses non-const static CSCTriggerGeometry
Merge pull request #2384 from gartung/L1Trigger-CSCTriggerPrimitives-edm-one-producer

Multithreading fixes -- Make CSCTriggerPrimitivesProducer inherit from edm::one::producer becaus...