Fix to systemtest: test_estimate_r2eff_err_auto, which now checks the values for the direct Jacobian.
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: [r25424]
Child: [r25426]
