Production Valdiation

A hopefully production version of the 1D transport validation.  Initial
results do not look that promising . . .
Updated Quadrature, changed print format

I changed the print format such that on zeros are printed as 0.0 instead
of 0.0000 for the source strength, which should avoid cutoffs when
reading the  input deck.
Higher Order XSDRN Validation

Validated the XSDRN calcuation with a higher order quadrature.  This did
not help. I also wrote some code to make running the validation python
module easier.