Merge pull request #2556 from endJunction/RandomFixes

MathLib/ConstantFunction.h

MathLib/LinearFunction.h

NumLib/CMakeLists.txt

NumLib/Distribution/Distribution.cpp

NumLib/Distribution/Distribution.h

NumLib/Function/LinearInterpolationAlongPolyline.cpp

NumLib/Function/LinearInterpolationAlongPolyline.h

NumLib/Function/LinearInterpolationOnSurface.cpp

NumLib/Function/LinearInterpolationOnSurface.h

NumLib/Function/SpatialFunctionLinear.h

NumLib/Function/TemplateSpatialFunction.h

NumLib/NamedFunctionCaller.cpp

Tests/NumLib/TestDistribution.cpp

Tests/NumLib/TestSpatialFunction.cpp