[PULL] more reviewed patches

[Jamey Sharp]

The first patch is just a cleanup from my attempts to understand the
server source; the rest work toward removing MAXSCREENS.

The following changes since commit 3f63db89191701139d45332ca80b9d6eb327c773:
  Keith Packard (1):
        Merge remote branch 'jamey/for-keith'

are available in the git repository at:

  git://people.freedesktop.org/~jamey/xserver for-keith

Jamey Sharp (7):
      Simplify XineramifyXv.
      Track screens' installed colormaps as screen privates.
      Delete redundant scrnum field from Xvfb private screen-info struct.
      Xvfb: Simplify screen option processing.
      Make Xvfb independent of MAXSCREENS.
      xfree86: use screen privates for exclusive DGA clients.
      xfree86: use screen privates for Xv offscreen images.

 Xext/xvdisp.c                        |  147 +++++++++++++++-------------------
 fb/fbcmap.c                          |   16 ++--
 hw/vfb/InitOutput.c                  |  130 ++++++++++++------------------
 hw/xfree86/common/xf86xv.c           |   27 ++++--
 hw/xfree86/dixmods/extmod/xf86dga2.c |   70 +++++++++--------
 hw/xnest/Color.c                     |   22 ++---
 6 files changed, 186 insertions(+), 226 deletions(-)