stone-soup: 0.15.1-1~getdeb1

  * New upstream version
    * Assorted crash fixes.
    * Monsters don't benefit from player throwing skill.
    * Monsters no longer flee at random on re-entering a level after a short
    time.
    * Several messages correctly no longer appear for out-of-sight monster
      actions.
    * Dithmenos' stealth bonus works properly again.
    * Several spell icons that missed the initial 0.15 release.