[Pt] Pt fit example now loading data the ba way ()

Base/Axis/Frame.cpp

Base/Axis/Frame.h

Base/Types/OwningVector.h

Device/Data/Datafield.cpp

Device/IO/ReadReflectometry.cpp

GUI/Model/Model/ParameterTreeUtil.cpp

GUI/View/MaterialEditor/MaterialEditorModel.cpp

GUI/View/Numeric/NumWidgetUtil.cpp

GUI/View/SampleDesigner/LayerEditorUtil.cpp

auto/Examples/fit/specular/Honeycomb_fit.py

auto/Examples/fit/specular/PolarizedSpinAsymmetry.py

auto/Examples/fit/specular/Pt_layer_fit.py

auto/Examples/specular/PolarizedSpinAsymmetry.py

auto/MiniExamples/fit/specular/Honeycomb_fit.py

auto/MiniExamples/fit/specular/PolarizedSpinAsymmetry.py

auto/MiniExamples/fit/specular/Pt_layer_fit.py

auto/MiniExamples/specular/PolarizedSpinAsymmetry.py

rawEx/fit/specular/Honeycomb_fit.py

rawEx/fit/specular/Pt_layer_fit.py

rawEx/specular/PolarizedSpinAsymmetry.py