Added the systemtest: test_cpmg_synthetic_b14_to_ns_star_cluster, to check
for the model is still working after change.
Task #7807 (https://gna.org/task/index.php?7807): Speed-up of dispersion models for Clustered analysis.
Authored by: tlinnet 2014-06-20
Parent: [r24177]
Child: [r24179]
