relax SVN archive

Updated the CHANGES file for relax 3.3.9.

Added the relax 3.3.9 manual to the repository.

Updated the version number to relax 3.3.9.

relax version 3.3.9.

This is a minor feature release with improvements to the automatic relaxation dispersion protocol
for repeated CPMG data, support for Monte Carlo or Bootstrap simulating RDC and PCS errors, a huge
speedup of Monte Carlo simulations in the N-state model analysis, and geometric mean and standard
deviation functions added to the relax library.

Removed some duplicated text in the frame order models chapter of the manual.

This is duplicated from the frame order analysis chapter.

Avoided a doubly defined label in the manual.

Added some images missing from the frame order chapter of the manual.

Reference fix in the frame order chapter of the manual.

Removed lots of useless comments about book references.

Removed many unnecessary references to relax.