Major commit, cleaning a lot of old stuff.

IBM.H is gone, video stuff re-organized. Keyboard stuff reorganized.
Machines that have their own video, mouse and/or keyboard now have all this in their machine file.
Fixed and other cleanups here and there.

src/video/vid_icd2061.c

@@ -10,7 +10,7 @@
  *
  *		Used by ET4000w32/p (Diamond Stealth 32)
  *
- * Version:	@(#)vid_icd2061.c	1.0.1	2017/10/16
+ * Version:	@(#)vid_icd2061.c	1.0.2	2017/11/04
  *
  * Authors:	Sarah Walker, <http://pcem-emulator.co.uk/>
  *		Miran Grca, <mgrca8@gmail.com>
@@ -23,7 +23,6 @@
 #include <string.h>
 #include <wchar.h>
 #include "../86box.h"
-#include "../ibm.h"
 #include "vid_icd2061.h"