suzerain: avoid ar.hpp mainpage content

git-svn-id: https://svn.ices.utexas.edu/repos/pecos/suzerain/trunk@43727 0bd85f0b-c151-43b9-a1e9-27231104551f
suzerain: explicitly ColMajor

git-svn-id: https://svn.ices.utexas.edu/repos/pecos/suzerain/trunk@43728 0bd85f0b-c151-43b9-a1e9-27231104551f
suzerain: load summary/bulk into libsupport

Remains to replace these within main_summary.cpp

git-svn-id: https://svn.ices.utexas.edu/repos/pecos/suzerain/trunk@43729 0bd85f0b-c151-43b9-a1e9-27231104551f
Have best model correctly process AR(0)-only input

git-svn-id: https://svn.ices.utexas.edu/repos/pecos/suzerain/trunk@43730 0bd85f0b-c151-43b9-a1e9-27231104551f