relax SVN archive

Some more fixes for handling the diffusion tensor data structure 'spheroid_type' variable properly.

Similar fix as in r11670, but for setting MC sim data.

Fix for the updating of the rotation and tensor MC sim objects for the spheroidal diffusion.

This problem was only recently introduced.

Dpar_unit is no longer passed into calc_rotation() for spheroidal diffusion, as it is not needed.

Some rotation matrix check fixes for the diffusion tensor unit tests.

Removed some debugging code.

Fixes for the diffusion tensor system tests.

The spheroidal tensors are now correctly checked.

The rotation matrix for the spheroidal diffusion tensors is now correctly generated.

Again this is a fix for currently unused code (it will be used for BMRB support though).

Fix for a failing diffusion tensor unit test.

This was testing an unused element of the diffusion tensor data structure incorrectly.

Fix for the relatively unused calc_tensor_diag() for oblate tensors.

The eigenvalues were incorrectly ordered for oblate spheroids.