anisotropy_ajn: Add non-weak Thomsen parameter routine
anisotropy_ajn: Add non-weak Thomsen parameter routine

CIJ_thom_st is valid for non-weak VTI, using delta^star rather than the
weak, delta value.

anowacki/seismo-fortran,anowacki/seismo-fortran,anowacki/seismo-fortran,anowacki/seismo-fortran