- loadTexture() can now use cached textures from their URL names.   (ex: BZDB _rainTexture and _rainPuddleTexture). These textures   can be signalled for downloading using unbound materials.   Let it rain cats and dogs...
- loadTexture() can now use cached textures from their URL names.
  (ex: BZDB _rainTexture and _rainPuddleTexture). These textures
  can be signalled for downloading using unbound materials.
  Let it rain cats and dogs...

git-svn-id: 67bf12f30ddf2081c31403e0b02b2123541f1680@11336 08b3d480-bf2c-0410-a26f-811ee3361c24

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