relax SVN archive

Added the precision argument to the align_tensor.matrix_angles user function.

This allows the number of decimal points for the singular values and condition number to be
specified.

Fixes for the proportions of the align_tensor.matrix_angle user function GUI wizard.

Added the angle_units and precision arguments to the align_tensor.matrix_angles user function.

This allows either degrees or radians to be output, and the number of decimal points to be specified.

Created the Align_tensor.test_align_tensor_svd system test.

This is to check the angles calculated by the align_tensor.svd user function. As there are no
external references, this essentially fixes the singular values and condition numbers to the
currently calculated values to catch any accidental changes in the future.

Created the Align_tensor.test_align_tensor_matrix_angles system test.

This is to check the angles calculated by the align_tensor.matrix_angles user function. As there
are no external references, this essentially fixes the angles to the currently calculated values to
catch any accidental changes in the future.

Trailing whitespace removal.

Expanded the N_state_model.test_5_state_xz system test for more alignment tensor basis sets.

The align_tensor.matrix_angles and align_tensor.svd user functions are now being called with the
additional 'irreducible 5D', and 'unitary 9D' basis sets, to make sure these work correctly.

Small fix for the align_tensor.matrix_angles user function documentation.

Fix for a spelling mistake in the align_tensor.matrix_angles user function printouts.

Updated the script and log file for demonstrating differences between alignment tensor basis sets.

The 'irreducible 5D' basis set in now used for both the align_tensor.matrix_angles and
align_tensor.svd user functions.