suzerain: re-indent pragma

git-svn-id: https://svn.ices.utexas.edu/repos/pecos/suzerain/trunk@43779 0bd85f0b-c151-43b9-a1e9-27231104551f
suzerain: use double not real_t

git-svn-id: https://svn.ices.utexas.edu/repos/pecos/suzerain/trunk@43780 0bd85f0b-c151-43b9-a1e9-27231104551f
suzerain: move arsel away from Eigen

I want to get Eigen types out of the OMP pragmas within
driver_base_summary to avoid an Intel ICE.

git-svn-id: https://svn.ices.utexas.edu/repos/pecos/suzerain/trunk@43781 0bd85f0b-c151-43b9-a1e9-27231104551f