Added the model_class variable to the relaxation dispersion auto-analysis class.
Changed the new dispersion auto-analysis class variable model_class to the numeric_only flag.
Merged revisions 21159,21162,21165 via svnmerge from 
svn+ssh://bugman@svn.gna.org/svn/relax/trunk

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  r21159 | bugman | 2013-10-17 16:41:50 +0200 (Thu, 17 Oct 2013) | 5 lines
  
  Fix for a unit test of lib.linear_algebra.matrix_exponential.matrix_exponential().
  
  This is for old numpy versions.
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  r21162 | bugman | 2013-10-17 16:48:04 +0200 (Thu, 17 Oct 2013) | 6 lines
  
  Backported the relax 3.0.1 CHANGES file addition to trunk.
  
  The command used was:
  svn merge -r21160:21161 svn+ssh://bugman@svn.gna.org/svn/relax/tags/3.0.1 .
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  r21165 | bugman | 2013-10-17 17:40:49 +0200 (Thu, 17 Oct 2013) | 5 lines
  
  Updated the Release Checklist document rsync instructions to allow resumed uploads.
  
  This is needed if the internet connection has been cut, as uploading can take a long time.
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