Merge branch 'doubleeps' into develop

App/inc/TestBessel.h

Core/Algorithms/inc/ISquaredFunction.h

Core/FormFactors/inc/IFormFactorBorn.h

Core/FormFactors/src/IFormFactorBorn.cpp

Core/Tools/inc/AttLimits.h

Core/Tools/inc/LLData.h

Core/Tools/inc/MathFunctions.h

Core/Tools/inc/Numeric.h

Core/Tools/src/ConstKBinAxis.cpp

Core/Tools/src/CustomBinAxis.cpp

Core/Tools/src/FixedBinAxis.cpp

Core/Tools/src/IntensityDataFunctions.cpp

Core/Tools/src/Numeric.cpp

Core/Tools/src/VariableBinAxis.cpp

Fit/FitKernel/src/FitSuiteParameters.cpp