Merge branch 'rr3' into 'develop'

Base/CMakeLists.txt

Device/CMakeLists.txt

Fit/CMakeLists.txt

Param/CMakeLists.txt

Resample/CMakeLists.txt

Resample/Coherence/FFSum.cpp

Resample/Coherence/FFSum.h

Resample/Coherence/FFTerm.cpp

Resample/Coherence/FFTerm.h

Resample/Interference/DecouplingApproximationStrategy.cpp

Resample/Interference/IInterferenceFunctionStrategy.cpp

Resample/Interference/SSCApproximationStrategy.cpp

Resample/Processed/ProcessedLayout.cpp

Sample/CMakeLists.txt

Sample/Scattering/IFormFactor.cpp

Sample/Scattering/IFormFactor.h

Tests/UnitTests/Core/Sample/FormFactorCoherentSumTest.cpp

Wrap/Swig/libBornAgainResample.i

Wrap/Swig/libBornAgainSample.i

auto/Wrap/doxygenResample.i