Created the Relax_disp.test_bug_21460_disp_cluster_fail system test.
This is to catch bug #21460 (https://gna.org/bugs/?21460) reported by Min-Kyu Cho (min-kyu dott cho att live dot com).
The save file added to the repository consists solely of the data for the first residue.
Authored by: bugman 2014-01-13
Parent: [r21953]
Child: [r21955]
