adapt to libheinz post 1.0: unit -> unit_or_throw

Base/Pixel/RectangularPixel.cpp

Device/Coord/CoordSystem2D.cpp

Device/Detector/RectangularDetector.cpp

Device/Pol/PolFilter.cpp

Sample/Correlations/IPeakShape.cpp

Sample/Lattice/Lattice3D.cpp

Tests/Unit/Numeric/BisectFF.cpp

Tests/Unit/Numeric/MultiQTest.cpp

auto/Wrap/libBornAgainBase.py

auto/Wrap/libBornAgainBase_wrap.cpp

auto/Wrap/libBornAgainDevice.py

auto/Wrap/libBornAgainDevice_wrap.cpp

auto/Wrap/libBornAgainResample.py

auto/Wrap/libBornAgainResample_wrap.cpp

auto/Wrap/libBornAgainSample.py

auto/Wrap/libBornAgainSample_wrap.cpp

auto/Wrap/libBornAgainSim.py

auto/Wrap/libBornAgainSim_wrap.cpp