added a parameter in prtPreProcEnergyNormalizeRows.m to check for zero offsets
added a parameter in prtPreProcEnergyNormalizeRows.m to check for zero offsets

jpalves/PRT,covartech/PRT,covartech/PRT,jpalves/PRT,jpalves/PRT,covartech/PRT,covartech/PRT,covartech/PRT,jpalves/PRT,covartech/PRT,jpalves/PRT,jpalves/PRT