Complex integrator implemented; standard integrator now reuses integration workspace, FormFactorSphere refactored

Conflicts:
	App/App.pro
	App/inc/TestFormFactors.h
	App/src/StandardSamples.cpp
	App/src/TestFormFactors.cpp
	Core/Core.pro
	Core/FormFactors/inc/FormFactorCylinder.h
	Core/FormFactors/inc/FormFactorEllipsoid.h
	Core/FormFactors/inc/FormFactorFullSphere.h
	Core/FormFactors/inc/FormFactorPrism3.h
	Core/FormFactors/inc/FormFactorSphere.h
	Core/FormFactors/src/FormFactorBox.cpp
	Core/FormFactors/src/FormFactorCylinder.cpp
	Core/FormFactors/src/FormFactorEllipsoid.cpp
	Core/FormFactors/src/FormFactorFullSphere.cpp
	Core/FormFactors/src/FormFactorSphere.cpp
	shared.pri

Conflicts:
	Tests/UnitTests/TestCore/TestCore

Conflicts:
	App/App.pro
	App/inc/ROOTMinimizerFunction.h
	App/src/FitSuiteObserverFactory.cpp
	App/src/FunctionalTestFactory.cpp
	App/src/ROOTMinimizer.cpp
	Core/Fitting/src/FitSuiteFunctions.cpp
	Core/Tools/inc/IMinimizer.h
	Tests/UnitTests/TestCore/TestCore

New debugging staff for floating point exceptions, check for zero bin size in useLargeBinApproximation

Conflicts:
	Tests/UnitTests/TestCore/TestCore