relax SVN archive

Fix for the cpmgfit script for an edit accidentally committed at r20033.

Updated the CPMGFit results for the IT99 grid search fixes of the last commit.

Fixes for the relax_disp.cpmgfit_input user function for the IT99 model grid search options.

Updated the relax results for Flemming Hansen's CPMG data for the IT99 model fixes.

Fixes for the lib.dispersion.it99 module.

This is mainly because the omega_1eff parameter was not being correctly converted from the nu_cpmg
values.

Fixed the scaling of the parameter tex.

Updated the CPMGFit results for the IT99 model using Flemming Hansen's CPMG data.

Replaced '-' with 'N/A' if the software is missing the model.

This is for the software comparison table using Flemming Hansen's CPMG data.

Added the IT99 model to the software comparison table for Hansen's CPMG data.

This includes only the results from relax (and possibly not fully debugged results at that).

Removed an unnecessary calculation from the lib.dispersion.it99.r2eff_IT99() function.