Added epydoc information about dimensions for w_e in function return_offset_data.
Regarding sr #3124, (https://gna.org/support/index.php?3124) - Grace graphs production for R1rho analysis with R2_eff as function of Omega_eff.
Authored by: tlinnet 2014-03-12
Parent: [r22449]
Child: [r22451]
