relax SVN archive

Improvements to the description of the align_tensor.matrix_angles user function.

Implemented a new default basis set for the align_tensor.matrix_angles user function.

This is uses standard definition of the inter-matrix angle using the Euclidean inner product of the
two matrices divided by the product of the Frobenius norm of each matrix. As this is a linear map,
it should produce the most correct definition of inter-tensor angles.

Fix for the 64-bit Linux distribution file md5sum placement.

This is for http://www.nmr-relax.com/download.html.

Updated the log file for comparing different alignment tensor basis sets for align_tensor.svd changes.

Improved the printouts from the align_tensor.svd user function by including the basis set text.

Created a script and log file to demonstrate differences between alignment tensor basis sets.

This shows that the inter-tensor angles and condition numbers are dependent on the basis set used.

Created 6 unit tests for the lib.geometry.vectors.vector_angle_atan2() function.

Added 6 unit tests for the lib.geometry.vectors.vector_angle_acos() function.

These are similar to those of the vector_angle_normal() function but unsigned angles are checked
for.

Renamed vector_angle() to vector_angle_normal() in the lib.geometry.vectors module.

This is to standardise the naming as there are now the standard vector angle formula implemented as
the vector_angle_acos() and vector_angle_atan2() functions.

Missing import.