Merge branch 'sb6' into 'develop'

GUI/Views/SampleDesigner/ConnectableView.cpp

Param/Node/INode.h

Sample/ComponentBuilder/FTDistribution2DComponents.h

Sample/ComponentBuilder/FormFactorComponents.h

Sample/Multilayer/MultiLayer.cpp

Sample/SampleBuilderEngine/ISampleBuilder.h

Sample/SampleBuilderEngine/SampleBuilderNode.cpp

Sample/SampleBuilderEngine/SampleBuilderNode.h

Sample/StandardSamples/LayersWithAbsorptionBuilder.cpp

Sample/StandardSamples/MagneticLayersBuilder.cpp

Sample/StandardSamples/ParaCrystalBuilder.cpp

Sample/StandardSamples/ParticleInVacuumBuilder.cpp

Tests/Functional/Std/Run.cpp

Tests/Unit/Sample/SampleBuilderNodeTest.cpp

auto/Wrap/doxygenSample.i

auto/Wrap/libBornAgainSample.py

auto/Wrap/libBornAgainSample_wrap.cpp