Necessary for BalanceProcess.

Allow modification of the component of the specified tuple.

[CMake] Moved packaging executable dependencies to package target.

BoundaryConditionBuilder

Beforehand this logic was executed in a forced addional CMake run
everytime after the specific executable was built. Now this is done
at the moment this information is needed (at building the package or
install target).

Same as in previous Neumann test from 1e-15 to 1e-14.

Material model for fracture deformation

Use mesh subsets instead of mesh nodes

... for the given variable and component ids instead of all element nodes,
which might not be a part of the associated mesh subset.