Move all include files to src/include

- 86Box's own headers go to /86box
- munt's public interface goes to /mt32emu
- all slirp headers go to /slirp (might want to consider using only its public inteface)
- single file headers from other projects go in include root

src/pc.c

@@ -28,54 +28,54 @@
 #include <wchar.h>
 
 #define HAVE_STDARG_H
-#include "86box.h"
-#include "config.h"
-#include "mem.h"
+#include <86box/86box.h>
+#include <86box/config.h>
+#include <86box/mem.h>
 #include "cpu.h"
 #ifdef USE_DYNAREC
 # include "codegen_public.h"
 #endif
 #include "x86_ops.h"
-#include "86box_io.h"
-#include "rom.h"
-#include "dma.h"
-#include "pci.h"
-#include "pic.h"
-#include "timer.h"
-#include "device.h"
-#include "pit.h"
-#include "random.h"
-#include "timer.h"
-#include "nvr.h"
-#include "machine.h"
-#include "bugger.h"
-#include "postcard.h"
-#include "isamem.h"
-#include "isartc.h"
-#include "lpt.h"
-#include "serial.h"
-#include "keyboard.h"
-#include "mouse.h"
-#include "gameport.h"
-#include "fdd.h"
-#include "fdc.h"
-#include "hdd.h"
-#include "hdc.h"
-#include "hdc_ide.h"
-#include "scsi.h"
-#include "scsi_device.h"
-#include "cdrom.h"
-#include "zip.h"
-#include "scsi_disk.h"
-#include "cdrom_image.h"
-#include "network.h"
-#include "sound.h"
-#include "midi.h"
-#include "snd_speaker.h"
-#include "video.h"
-#include "ui.h"
-#include "plat.h"
-#include "plat_midi.h"
+#include <86box/io.h>
+#include <86box/rom.h>
+#include <86box/dma.h>
+#include <86box/pci.h>
+#include <86box/pic.h>
+#include <86box/timer.h>
+#include <86box/device.h>
+#include <86box/pit.h>
+#include <86box/random.h>
+#include <86box/timer.h>
+#include <86box/nvr.h>
+#include <86box/machine.h>
+#include <86box/bugger.h>
+#include <86box/postcard.h>
+#include <86box/isamem.h>
+#include <86box/isartc.h>
+#include <86box/lpt.h>
+#include <86box/serial.h>
+#include <86box/keyboard.h>
+#include <86box/mouse.h>
+#include <86box/gameport.h>
+#include <86box/fdd.h>
+#include <86box/fdc.h>
+#include <86box/hdd.h>
+#include <86box/hdc.h>
+#include <86box/hdc_ide.h>
+#include <86box/scsi.h>
+#include <86box/scsi_device.h>
+#include <86box/cdrom.h>
+#include <86box/zip.h>
+#include <86box/scsi_disk.h>
+#include <86box/cdrom_image.h>
+#include <86box/network.h>
+#include <86box/sound.h>
+#include <86box/midi.h>
+#include <86box/snd_speaker.h>
+#include <86box/video.h>
+#include <86box/ui.h>
+#include <86box/plat.h>
+#include <86box/plat_midi.h>
 
 
 /* Commandline options. */