Added systemtest "Relax_disp.test_bug_23186_cluster_error_calc_dw", which shows the failure of monte carlo simulations error calculations.
Bug #23186 (https://gna.org/bugs/index.php?23186): Error calculation of individual parameter "dw" from Monte-Carlo, is based on first spin.
Authored by: tlinnet 2015-01-14
Parent: [r27159]
Child: [r27161]
