GETSEDR modified to call both encounter and cruise SEDR routines.

SEDRENC verified for proper rotation matrice production.

SEDRCRU modified to adapt orginal MVS code row-major matrix representation.

ROTATE created to perform vector transformations with row-major matrices.

TRANS31 modified to perfom vector tranformation w/o calling MPRD31.

FLAGS modified to add planetary encounter rotation selections.

BIGAVE modified to accept vector transformations with row-major matrices.

VIM5DET modified to accept vector transformations with row-major matrices.

GS3DET modified to accept vector transformations with row-major matrices.