Temporary added systemtest: test_korzhnev_2005_all_data_disp_speed_bug.
This makes a minimisation with 1 iteration, and so will give the chi2 value at the preset parameter values.
This is chi2 value should give 162.5, but gives 74.7104.
Task #7807 (https://gna.org/task/index.php?7807): Speed-up of dispersion models for Clustered analysis.
Authored by: tlinnet 2014-06-17
Parent: [r24012]
Child: [r24014]
