Implemented the compile_1st_matrix_iso_cone_torsionless() function.
This is for the lib.frame_order.iso_cone_torsionless module. The function will calculate the 1st degree in-frame frame order matrix for the torsionless isotropic cone model.
Authored by: bugman 2014-11-02
Parent: [r26415]
Child: [r26417]
