update the installer to read from the new bin dirs. add variables for platform and bitness to let the installer work for both 32 and 64 bit installers
update the installer to read from the new bin dirs.
add variables for platform and bitness to let the installer work for both 32 and 64 bit installers

git-svn-id: 67bf12f30ddf2081c31403e0b02b2123541f1680@21490 08b3d480-bf2c-0410-a26f-811ee3361c24

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