relax SVN archive

svn+ssh://bugman@.../svn/relax/trunk

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r18896 | bugman | 2013-03-19 18:14:13 +0100 (Tue, 19 Mar 2013) | 6 lines

Created the Structure.test_metadata_xml system test.

This is used to check that the structural metadata (currently helices and sheets) are stored in the
relax XML save files and then can be read back into relax again.
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r18897 | bugman | 2013-03-19 18:31:39 +0100 (Tue, 19 Mar 2013) | 3 lines

The helix and sheet metadata is now stored in and read from relax XML state files.
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