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/x86_ops_bit.h

@@ -1,6 +1,5 @@
 static int opBT_w_r_a16(uint32_t fetchdat)
 {
-        int tempc;
         uint16_t temp;
         
         fetch_ea_16(fetchdat);