If no .edmplugincache file found under LD_LIBRARY_PATH then force to use one under CMSSW_BASE to avoid cat hanging
Merge pull request #4036 from smuzaffar/from-CMSSW_7_0_X_2014-05-28-0200

If no .edmplugincache file found under LD_LIBRARY_PATH then force to use one under CMSSW_BASE to avoid cat hanging