relax SVN archive

Updated the version number to 2.2.3.

Ported the relax 2.2.3 CHANGES file changes back to trunk.

The command used was:
svn merge -r18771:18772 svn+ssh://bugman@.../svn/relax/tags/2.2.3 .

Updated the CHANGES file for version 2.2.3.

relax version 2.2.3.

This is a major bugfix release.

Updated the rigid_test.py frame order system test script so that it can run as a GUI test.

The self._execute_uf() method needs to be used to call user function. This was causing 8 GUI test
failures.

Merged revisions 18768 via svnmerge from
svn+ssh://bugman@.../svn/relax/trunk

........
r18768 | bugman | 2013-03-11 14:16:24 +0100 (Mon, 11 Mar 2013) | 5 lines

The frq.seq user function units argument is no longer read-only.

This is needed for some of the GUI tests in the frame_order_testing branch.
........

The frq.seq user function units argument is no longer read-only.

This is needed for some of the GUI tests in the frame_order_testing branch.

Merged revisions 18765-18766 via svnmerge from
svn+ssh://bugman@.../svn/relax/trunk

........
r18765 | bugman | 2013-03-11 13:41:23 +0100 (Mon, 11 Mar 2013) | 6 lines

Modified the dauvergne_protocol model-free auto-analysis to aid in debugging.

The write_results_dir argument has been added to allow the test suite to read from one directory in
test suite shared data directories and redirect output to a temporary directory.
........
r18766 | bugman | 2013-03-11 13:42:40 +0100 (Mon, 11 Mar 2013) | 5 lines

The files from the Mf.test_bug_20563_missing_ri_error system test are now placed in a temporary directory.

This is essential for the test suite to prevent files from going everywhere.
........

The files from the Mf.test_bug_20563_missing_ri_error system test are now placed in a temporary directory.

This is essential for the test suite to prevent files from going everywhere.

Modified the dauvergne_protocol model-free auto-analysis to aid in debugging.

The write_results_dir argument has been added to allow the test suite to read from one directory in
test suite shared data directories and redirect output to a temporary directory.