Merge branch 'ry1' into 'develop'

Core/Fitting/SimDataPair.cpp

Core/Simulation/DepthProbeSimulation.cpp

Core/Simulation/GISASSimulation.cpp

Core/Simulation/OffSpecularSimulation.cpp

Device/Coord/CoordSystem1D.cpp

Device/Coord/CoordSystem2D.cpp

Device/Coord/CoordSystem2D.h

Device/Instrument/Instrument.cpp

GUI/Models/InstrumentItems.cpp

GUI/Models/InstrumentItems.h

Tests/UnitTests/Core/Core/DepthProbeConverterTest.cpp

Tests/UnitTests/Core/Instrument/OffSpecularConverterTest.cpp

Tests/UnitTests/Core/Instrument/RectangularConverterTest.cpp

Tests/UnitTests/Core/Instrument/SphericalConverterTest.cpp

auto/Doc/man/bornagain.1

auto/Wrap/doxygenDevice.i

auto/Wrap/doxygenParam.i

auto/Wrap/libBornAgainParam.py

auto/Wrap/libBornAgainParam_wrap.cpp