relax SVN archive

Clean up of some of the release instructions (for using vim).

Updated the http://www.nmr-relax.com/download.html webpage for the relax 3.3.9 release.

Updated the relax API documentation at http://www.nmr-relax.com/api/3.3/ to version 3.3.9.

Improvements for the release checklist document.

The backporting of the CHANGES file to trunk is now more obvious, and instructions for fixing Epydoc
have been added.

Added a patch file for fixing Epydoc version 3.0.1.

This is needed to allow the dot graph files names to be unique (by no longer truncating to 30
characters), and to allow epydoc to handle newer Graphvis versions.

Updated the relax HTML manual at http://www.nmr-relax.com/manual/index.html to version 3.3.9.

Backported the relax 3.3.9 CHANGES file changes to trunk.

The command used was:
svn merge -r27902:27903 svn+ssh://bugman@.../svn/relax/tags/3.3.9 .

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.