relax SVN archive

Converted the 'Branches' subsection of the development chapter into a proper section.

Corrected other strange characters causing failures...

Added DOI links to the citations and corrected a fused f and i character.

This was proposed by Edward.

Added references and instructions in the sample script for consistency testing.

This is as proposed by Edward in a post at:
https://mail.gna.org/public/relax-devel/2009-11/msg00034.html
(Message-id: <7f080ed10911180653w6b59b40dn1e8f715d9b718fd5@...>)

Added references to the consistency tests code.

In particular, the reference for this newly published paper was added:
Morin & Gagne (2009) JBNMR, 45: 361-372.

Created a branch for Michael Bieri's (michael.bieri@...) GHI for relax
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Implemented the get_peak_intensity_type() method for returning that data.

The relax_data.peak_intensity_type() user function is now fully operational.

The BMRB system test has been repaired for the user function argument name change.

Added the interface for the relax_data.peak_intensity_type() user function.

The peak intensity type is now being passed into the BMRB file.

This doesn't work yet as the user function doesn't exist!