reformat, update headers and guards

Core/Beam/FootprintFactorGaussian.cpp

Core/Export/SampleToPython.cpp

Core/Export/SimulationToPython.cpp

Core/Instrument/AngularSpecScan.cpp

Core/Instrument/QSpecScan.cpp

Core/Instrument/ScanResolution.cpp

Core/Parametrization/RangedDistributions.cpp

Core/Tools/PyEmbeddedUtils.cpp

GUI/coregui/Models/JobModelFunctions.cpp

...i/Views/IntensityDataWidgets/SaveProjectionsAssistant.cpp

Tests/Functional/Core/CoreSpecial/BatchSimulation.cpp

Tests/Functional/Core/CoreSpecial/CoreIOPathTest.cpp

...Functional/Core/CoreSpecial/FourierTransformationTest.cpp

Tests/Functional/Core/CoreStandardTest/CoreStandardTest.cpp

...nctional/Core/SelfConsistenceTest/SelfConsistenceTest.cpp

...l/Core/SelfConsistenceTest/SelfConsistenceTestService.cpp

Tests/Functional/Python/PyEmbedded/TestCases.cpp

Tests/Functional/Python/PyStandard/PyStandardTest.cpp

Tests/Functional/TestMachinery/IStandardTest.cpp

Tests/Functional/TestMachinery/IStandardTest.h