film-on-substrate

New:

• Add option to read in a grid file together with a displacement file
• Print total time, total assembly time and total time needed for solving at the end
• Adaptive refinement: Refine only the Surfaceshell boundary, not the rest of the elastic material
• Two different thicknesses of the cosserat shell

Fixes:

• Adjust calls to interpoate and to makeDiscreteGloablBasisFunction to correct syntax
• Use std::shared_ptr explicitly
• Add exception handling: Continue with smaller trust region in case computing the energy or solving the trust region problem throws and exception