suzerain: load pickled data

This should let me pay to load up spectral data only once and then
have it pickled in a format to be easily manipulated by plotting
scripts.

git-svn-id: https://svn.ices.utexas.edu/repos/pecos/suzerain/trunk@45522 0bd85f0b-c151-43b9-a1e9-27231104551f