Prototype for superlattice interference function

Core/Aggregate/InterferenceFunction2DSuperLattice.cpp

Core/Aggregate/InterferenceFunction2DSuperLattice.h

Core/Aggregate/InterferenceFunctionFinite2DLattice.h

Core/Basics/BornAgainNamespace.h

Core/includeIncludes/InterferenceFunctions.h

Wrap/swig/libBornAgainCore.i

auto/Wrap/doxygen_core.i

auto/Wrap/libBornAgainCore.py

auto/Wrap/libBornAgainCore_wrap.cpp