Major cleanup of dEdd module, mainly white space and standard alignme…

…nts. Also changes in precision for several constants in compute_dEdd_5bd and compute_dEdd_3bd, which might change answers in some configurations. Added new fswthru diagnostics for 5bd (not tested). Flagged rnilyr reciprocal bug and another bug in the 5-band interpolation, to be fixed separately.