Update xpuyopuyo to 0.3.8. Changes from 0.3.1:

Update xpuyopuyo to 0.3.8.  Changes from 0.3.1:

Changes in v0.3.8:
   *  Merged Denny Mingus's theme
   *  Minor bugfixes
Changes in v0.3.7:
   *  More installation bugfixes
   *  Dialog cleanup for a few dialogues
Changes in v0.3.6:
   *  Take II:  Okay, the configure system should actually work now.
Changes in v0.3.5:
   *  Fixed minor bug in painting the next piece
   *  Fixed an odd formatting bug in help system
   *  GNOME files now install again
   *  Fixed problem with $DATADIR in configure.in
Changes in v0.3.4:
   *  Some reorganization of code, cleaned out some old files/functions
   *  Beginning of the theme support
   *  Theme selection from the UI, and themes are saved
   *  Beginnings of a help page
   *  Will link against libnsl/socket if present (needed for Solaris)
Changes in v0.3.3:
   *  Comments are read properly in key config (thanks to Doug Bell)
Changes in v0.3.2:
   *  Changed FNONBLOCK to O_NONBLOCK
   *  snprintf implementation missing on some systems
   *  Man page is properly living in section 6 now