Removed old Ogg Vorbis sources, uses latest now.
FPU precision updated with dhewm3 version.
removed a lot of deprecated FPU stuff.
changed remaining local calls cast to another type locally.
changed remaining local calls with the same name as a global type.
fixed screen twitches with shakes dhewm3.

cleanup source.

Signed-off-by: revelator <ralphengels@gmail.com>