Activated all method try in: systemtest Relax_disp.test_estimate_r2eff_err_methods.
This is to fast estimate errors from all different methods.
task #7822(https://gna.org/task/index.php?7822): Implement user function to estimate R2eff and associated errors for exponential curve fitting.
Authored by: tlinnet 2014-08-29
Parent: [r25423]
Child: [r25425]
