Merge branch '224-implement-scaled-penalty' into 'feature'

src/CardiacData.hpp

src/elasticity/assemble/IElasticity.hpp

src/elasticity/assemble/LagrangeElasticity.cpp

src/elasticity/assemble/LagrangeElasticity.hpp

src/elasticity/materials/Material.hpp

src/elasticity/problem/ElasticityProblem.cpp

src/elasticity/problem/ElasticityProblem.hpp

src/elasticity/problem/EllipsoidProblems.cpp

src/elasticity/problem/EllipsoidProblems.hpp

src/elasticity/solvers/IterativePressureSolver.cpp