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/cdrom-iso.c

@@ -157,7 +157,6 @@ static void lba_to_msf(uint8_t *buf, int lba)
 
 static void iso_readsector_raw(uint8_t *b, int sector)
 {
-    uint32_t temp;
     if (!cdrom_drive) return;
     iso_image = fopen(iso_path, "rb");
     fseek(iso_image, sector*2048, SEEK_SET);