Feature/preconditionerblocklevel
Add a new property LinearSolverPreconditionerBlockLevel that sets the block level (in case of nesting of blocks) to be inverted by the preconditioner. Defaults to 1. Needed for matrices for coupled matrices.
Add a new property LinearSolverPreconditionerBlockLevel that sets the block level (in case of nesting of blocks) to be inverted by the preconditioner. Defaults to 1. Needed for matrices for coupled matrices.