relax SVN archive

Fixes for the test_compile_2nd_matrix_pseudo_ellipse_order() unit test.

The pec() function is not precise when the theta_x or theta_y cone angles are close to zero.

Made the test_compile_2nd_matrix_pseudo_ellipse_free_rotor_point2() unit test less stringent.

The matrix is not very precise.

Fix for a typo in the previous r11475 revision.

Fixes for a number of the frame order model unit tests.

The frame order matrix comparison was not correct.

Implemented the rotor frame order matrix model.

This includes the addition of the target function and a unit test.

Implemented the torsionless isotropic cone frame order model.

Fixes for the calls to compile_2nd_matrix_iso_cone_torsionless() in the unit tests.

More debugging printouts have been included throughout.

Added 5 system tests checking the parametric restriction of frame order models.

Fix for the test_pseudo_ellipse() system test.

Added system tests for 5 of the frame order models.

These use synthetic alignment data (tensors) to test the model via the calc() user function. The
tests models include:
iso cone, free rotor
iso cone, free rotor (in the eigenframe)
iso cone
pseudo-ellipse, free rotor (out of frame and in the eigenframe)
pseudo-ellipse.