relax SVN archive

Bug fixes for the dispersion analysis when certain data sets are completely missing.

Removed a debugging printout.

Fixes for the 'NS MMQ 3-site' dispersion models - the evolution matrix is now correctly constructed.

Added the results of cpmg_fit minimisation of the cpmg_fit synthetic data for the 'NS MMQ 3-site' model.

Huge speed ups of the relaxation dispersion analysis.

This is due to the removal of huge inefficiencies in the loop_point(), return_cpmg_frqs() and
return_spin_lock_nu1() functions of the specific_analysis.relax_disp.disp_data module. Two new
functions return_cpmg_frqs_single() and return_spin_lock_nu1_single() have been introduces to pull
out the nu_CPMG and spin-lock field strengths for a given experiment and spectrometer frequency.
This avoids calling the loop_exp() and loop_frq() functions from within loop_point() which itself
is often called inside a loop_exp() and loop_frq() sequence.

Completed the 'MMQ 2-site' documentation in the manual.

The equations for the numeric evolution of SQ, ZQ and DQ data was missing.

Added the 'NS MMQ 3-site' models to the relax user manual.

This is for the 'NS MMQ 3-site' and 'NS MMQ 3-site linear' CPMG dispersion models.

This follows the tutorial for adding relaxation dispersion models at:
http://wiki.nmr-relax.com/Tutorial_for_adding_relaxation_dispersion_models_to_relax#The_relax_manual.

Updated the 'MMQ 2-site' model description in the manual.

The R2_DQ = R2_ZQ = R20 assumption is now explained.

Added the 'NS MMQ 3-site' models to the GUI model list.

This is for the 'NS MMQ 3-site' and 'NS MMQ 3-site linear' CPMG dispersion models.

This follows the tutorial for adding relaxation dispersion models at:
http://wiki.nmr-relax.com/Tutorial_for_adding_relaxation_dispersion_models_to_relax#The_GUI.

Updated the docstring of the Relax_disp.test_ns_mmq_3site system test.