add to SDL testing so that the -framework SDL is used when SDL is enabled and is a successful compilation flag.  rework X11 inclusion on mac to .. not include X11.  output a settings summary since a summary block is starting to take form.
add to SDL testing so that the -framework SDL is used when SDL is enabled and is a successful compilation flag.  rework X11 inclusion on mac to .. not include X11.  output a settings summary since a summary block is starting to take form.

git-svn-id: 67bf12f30ddf2081c31403e0b02b2123541f1680@9697 08b3d480-bf2c-0410-a26f-811ee3361c24

kongr45gpen/bzflag,kongr45gpen/bzflag,khonkhortisan/bzflag,adamsdadakaeti/bzflag,adamsdadakaeti/bzflag,khonkhortisan/bzflag,khonkhortisan/bzflag,kongr45gpen/bzflag,adamsdadakaeti/bzflag,kongr45gpen/bzflag,adamsdadakaeti/bzflag,kongr45gpen/bzflag,khonkhortisan/bzflag,khonkhortisan/bzflag,adamsdadakaeti/bzflag,khonkhortisan/bzflag,adamsdadakaeti/bzflag,khonkhortisan/bzflag,adamsdadakaeti/bzflag,kongr45gpen/bzflag,kongr45gpen/bzflag,kongr45gpen/bzflag