Added systemtest to catch bug: relax -s Relax_disp.test_bug_21665_cpmg_two_fields_two_delaytimes_fail
Regarding bug #21665, (https://gna.org/bugs/?21665) - Running a CPMG analysis with two fields at two delay times.
Authored by: tlinnet 2014-02-18
Parent: [r22197]
Child: [r22199]
