Revert of commit r25002 in branches/R1_fitting.
This was not the correct implementation, since copying of 'R2eff' is not really a "parameter", which can be "fitted" in the sence of the dispersion models.
Rather, R2eff should be copied, with value.copy() function.
Authored by: tlinnet 2014-08-20
Parent: [r25110]
Child: [r25112]
