suzerain: -t takes an option

git-svn-id: https://svn.ices.utexas.edu/repos/pecos/suzerain/trunk@44374 0bd85f0b-c151-43b9-a1e9-27231104551f
suzerain: finalize FFTW/MKL atexit

Should give slightly cleaner valgrind output, which will
help in bounds/leak checking situations.

Also, correct some stale HAVE_XXX #ifdefs and header dependencies

git-svn-id: https://svn.ices.utexas.edu/repos/pecos/suzerain/trunk@44375 0bd85f0b-c151-43b9-a1e9-27231104551f