[examples.empty] initialize mpi manager
[linearelliptic.testcases.spe10] add H_with_h
[linearelliptic...block-swipdg] add make_block_swipdg()
[test] remove obsolete include
[test.OS2014_parametric_multiscale_convergence_study] add first draft
[cmake] add test
[cmake] remove spe10 expectations from OS2014_parametric_convergence_study
[test...block-swipdg.expectations.spe10] update
[examples.linearelliptic.OS2014] remove max_err and max_err_mu