Removed UpdaterService

The UpdaterService can not be made to work with the threaded framework and therefore had to be eliminated. All code which used the UpdaterService was already changed in previous pull request. This commit removes UpdaterService and removes all references to it in all configuration files in CMSSW.
Removed unnecessary include of UpdaterService.h
Thread safety fix for PolyFit2DParametrizedMagneticField.cc
Merge pull request #1473 from Dr15Jones/removeUpdaterService

Multithreading fixes -- Removed UpdaterService
Merge pull request #1498 from smuzaffar/thread-safety-fix-PolyFit2DParametrizedMagneticField

Multithreading fixes -- Thread safety fix for PolyFit2DParametrizedMagneticField.cc
Add using namespace CLHEP to avoid compilation errors with new G4.