86F format handler updated to 86F version 2.0 and bit by bit handling;

FDI stream images are now also handled by the 86F handler;
Both floppy drives' motors now spin separately;
Added Plantronics ColorPlus emulation per patch from PCem forum;
Applied all mainline PCem commits;
Fixed several bugs.

src/pc.c

@@ -273,7 +273,7 @@ void initpc(int argc, char *argv[])
         sound_reset();
 	fdc_init();
 	disc_init();
-        fdi_init();
+	fdi_init();
         img_init();
         d86f_init();
 	td0_init();