relax SVN archive

Fix for the DummyFileObject.readlines() method.

The last line is empty because of the split() call, and should not be returned.

Added tests for the contents of the results file in the test_write_results() system test.

Added the final OMP model-free results file (from relax 1.3) with the simulations truncated.

Fix for the test_write_results() system test.

Modifications to the DummyFileObject class to better act as a file object.

Started to check the contents of the model-free results file from results.write().

Added epydoc comments to the DummyFileObject.write() method.

Added a close() method to DummyFileObject.

Fix for the new test_write_results() system test.

Modified open_write_file() to catch and return objects with write methods.