relax SVN archive

Molecular dynamics by NMR data analysis

Brought to you by: edauvergne, troelslinnet

Created the Structure.test_multi_model_and_multi_molecule system test.

This is used to check the loading and writing of a multi-model and multi-molecule PDB file. The
test shows that this functions correctly.

Authored by: bugman 2015-02-19

added	/trunk/test_suite/shared_data/structures/multi_model_and_mol_test.pdb
changed	/trunk/test_suite/system_tests/structure.py