implemented 3D interpolation of NQC coefficients for SEOBNRv2
use 3D NQC interpolation in SEOBNRv2
add chi1 and chi2 members to the SpinEOBParams struct
use 3D NQC interpolation in SEOBNRv2; add chi1 and chi2  to SpinEOBParams struct; adjust stopping condition
Merge branch 'SEOBNRv2devel' of ssh://ligo-vcs.phys.uwm.edu/usr/local/git/lalsuite into SEOBNRv2devel
change UsePrec flag to 0