Implemented test, to see if 3D exchange matrixes are the same.
This can be tested while running systemtest test_hansen_cpmg_data_to_ns_cpmg_2site_3D.
Task #7807 (https://gna.org/task/index.php?7807): Speed-up of dispersion models for Clustered analysis.
Authored by: tlinnet 2014-06-19
Parent: [r24151]
Child: [r24153]
