Ripples: move profile ff computation to namespace ripples

Core/Correlations/FTDistributions1D.cpp

Core/HardParticle/ProfileRipple1.cpp

Core/HardParticle/ProfileRipple1.h

Core/HardParticle/ProfileRipple2.cpp

Core/HardParticle/ProfileRipple2.h

Core/HardParticle/Ripples.cpp

Core/HardParticle/Ripples.h

Core/StandardSamples/TwoDimLatticeBuilder.cpp

auto/Wrap/libBornAgainCore.py

auto/Wrap/libBornAgainCore_wrap.cpp