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/include/86box/fdd_common.h

@@ -0,0 +1,35 @@
+/*
+ * 86Box	A hypervisor and IBM PC system emulator that specializes in
+ *		running old operating systems and software designed for IBM
+ *		PC systems and compatibles from 1981 through fairly recent
+ *		system designs based on the PCI bus.
+ *
+ *		This file is part of the 86Box distribution.
+ *
+ *		Shared code for all the floppy modules.
+ *
+ *
+ *
+ * Author:	Fred N. van Kempen, <decwiz@yahoo.com>
+ *
+ *		Copyright 2017,2018 Fred N. van Kempen.
+ */
+#ifndef FDD_COMMON_H
+# define FDD_COMMON_H
+
+
+extern const uint8_t	fdd_holes[6];
+extern const uint8_t	fdd_rates[6];
+extern const double	fdd_bit_rates_300[6];
+extern const uint8_t	fdd_max_sectors[8][6];
+extern const uint8_t	fdd_dmf_r[21];
+
+
+extern int 	fdd_get_gap3_size(int rate, int size, int sector);
+extern uint8_t	fdd_sector_size_code(int size);
+extern int	fdd_sector_code_size(uint8_t code);
+extern int	fdd_bps_valid(uint16_t bps);
+extern int	fdd_interleave(int sector, int skew, int spt);
+
+
+#endif	/*FDD_COMMON_H*/