Speeded up ns r1rho 3site, by preforming the evolution matrices, and the M0 matrix in the init part of the target function.
Task #7807 (https://gna.org/task/index.php?7807): Speed-up of dispersion models for Clustered analysis.
Authored by: tlinnet 2014-06-24
Parent: [r24286]
Child: [r24288]
