suzerain: rename layers -> profile

Done in anticipation of re-using this logic for the channel.

git-svn-id: https://svn.ices.utexas.edu/repos/pecos/suzerain/trunk@42836 0bd85f0b-c151-43b9-a1e9-27231104551f
suzerain: add log_channel_quantities

git-svn-id: https://svn.ices.utexas.edu/repos/pecos/suzerain/trunk@42837 0bd85f0b-c151-43b9-a1e9-27231104551f
suzerain: reformatting/reordering

git-svn-id: https://svn.ices.utexas.edu/repos/pecos/suzerain/trunk@42838 0bd85f0b-c151-43b9-a1e9-27231104551f
suzerain: add summarize_channel_nature

git-svn-id: https://svn.ices.utexas.edu/repos/pecos/suzerain/trunk@42839 0bd85f0b-c151-43b9-a1e9-27231104551f
suzerain: hooks to log channel QoI

git-svn-id: https://svn.ices.utexas.edu/repos/pecos/suzerain/trunk@42840 0bd85f0b-c151-43b9-a1e9-27231104551f