Add Xtrans definitions (FONT_t, TRANS_CLIENT) to clean up warnings.

Add XSERV_t, TRANS_SERVER, TRANS_REOPEN to quash warnings.
Add #include <dix-config.h> or <xorg-config.h>, as appropriate, to all
    source files in the xserver/xorg tree, predicated on defines of
    HAVE_{DIX,XORG}_CONFIG_H. Change all Xfont includes to
    <X11/fonts/foo.h>.

hw/xfree86/xaa/xaaBitOrder.c

@@ -1,5 +1,9 @@
 /* $XFree86: xc/programs/Xserver/hw/xfree86/xaa/xaaBitOrder.c,v 1.7 2001/05/18 20:22:31 tsi Exp $ */
 
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
 #include <X11/Xmd.h>
 CARD32 XAAReverseBitOrder(CARD32 v);