relax SVN archive

Fixes for bugs recently introduced to the relax_disp.nessy_input user function.

This was only a few commits ago so it doesn't affect relax 3.1.0.

Improvements for the find_intensity_keys() dispersion analysis function.

This now handles the reference point None being converted to NaN in numpy arrays and the logic is
now clearer.

Additional chemical shift reading test for SeriesTab formatted file.

Work in progress for Support Request #3044, (https://gna.org/support/index.php?3044) - Load spins from SPARKY list.

Implemented reading of chemical shifts from NMRPipe SeriesTab formatted files.

Work in progress for Support Request #3044, (https://gna.org/support/index.php?3044) - Load spins from SPARKY list.

Added system test for reading chemical shift from NMRPipe SeriesTab file.

Work in progress for Support Request #3044, (https://gna.org/support/index.php?3044) - Load spins from SPARKY list.

Shifted the software comparison down a directory so it can be used for all the different data.

Added cpmg_fit results to the software comparison table for Flemming Hansen's CPMG data.

The cpmg_fit input and log files have been added as well.

Added residue 4 to the R2eff files for the truncated CPMG data from Flemming Hansen.

Fix for a script in the test suite shared data for the recent relaxation dispersion changes.

Added another systemtest for returning spins from a generic file.

Work in progress for Support Request #3044, (https://gna.org/support/index.php?3044) - Load spins from SPARKY list.