suzerain: missed an equals

git-svn-id: https://svn.ices.utexas.edu/repos/pecos/suzerain/trunk@42738 0bd85f0b-c151-43b9-a1e9-27231104551f
suzerain: wording nits in nondim section

git-svn-id: https://svn.ices.utexas.edu/repos/pecos/suzerain/trunk@42739 0bd85f0b-c151-43b9-a1e9-27231104551f
suzerain: use H=H_0 in nozzle_cartesian_conserved

Permits tightening down some tolerances in addition
to being thermodynamically correct for the radial nozzle.

git-svn-id: https://svn.ices.utexas.edu/repos/pecos/suzerain/trunk@42740 0bd85f0b-c151-43b9-a1e9-27231104551f