Remove some very old unused code which is complicating new development for the threaded Framework
Merge pull request #76 from wddgit/removeUnusedSignalCode

Remove some very old unused code which is complicating new development f...
Principal has to be the one to check to see if data being requested has been registered by the EDConsumerBase since if it has not been registered we need to fail before any attempt is made to run the Producer in unscheduled mode.
Merge branch 'CMSSW_7_0_X' of https://github.com/cms-sw/cmssw into missingConsumesWarning on 2013/07/11