suzerain: spelling and caps

git-svn-id: https://svn.ices.utexas.edu/repos/pecos/suzerain/trunk@44099 0bd85f0b-c151-43b9-a1e9-27231104551f
suzerain: #2997 draft grDA from wall state

Includes a const-correctness tweak to the public Largo API.

git-svn-id: https://svn.ices.utexas.edu/repos/pecos/suzerain/trunk@44100 0bd85f0b-c151-43b9-a1e9-27231104551f