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>.

mi/mibitblt.c

@@ -48,6 +48,10 @@ SOFTWARE.
 /* $Xorg: mibitblt.c,v 1.5 2001/02/09 02:05:20 xorgcvs Exp $ */
 /* Author: Todd Newman  (aided and abetted by Mr. Drewry) */
 
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
 #include <X11/X.h>
 #include <X11/Xprotostr.h>