rename namespace -> report

Core/Fitting/FitObjective.h

Core/Fitting/FitStatus.cpp

Fit/Kernel/Kernel.cpp

Fit/Kernel/Kernel.h

Fit/Kernel/Minimizer.h

Fit/Kernel/MinimizerFactory.cpp

Fit/Kernel/MinimizerFactory.h

Fit/Kernel/Report.cpp

Fit/Kernel/Report.h

Fit/Minimizer/IMinimizer.h

Fit/Minimizer/MinimizerResult.cpp

Fit/Minimizer/MinimizerResult.h

Fit/RootAdapter/ObjectiveFunctionAdapter.h

Fit/RootAdapter/ResidualFunctionAdapter.h

Fit/RootAdapter/RootMinimizerAdapter.cpp

Fit/RootAdapter/RootResidualFunction.h

Fit/RootAdapter/RootScalarFunction.h

Fit/RootAdapter/ScalarFunctionAdapter.h

GUI/coregui/Models/MinimizerItemCatalog.cpp

Tests/Functional/Fit/Minimizer/ResidualTestPlan.h