Add Zafl script

bin/zafl.sh

+#!/bin/bash
+input_binary=$1
+output_zafl_binary=$2
+
+shift
+shift
+
+echo "Zafl: Transforming input binary $input_binary into $output_zafl_binary"
+$PSZ $input_binary $output_zafl_binary -c move_globals=on -c zafl=on -o move_globals:--elftables -o zipr:--traceplacement:on -o zipr:true -o zafl:--stars $*

set_env_vars

 export ZFUZZ_HOME=`pwd`
 export AFL_TRANSFORMS=$ZFUZZ_HOME/afl_transforms
 export AFL_PATH=$ZFUZZ_HOME/afl
-export PATH=$PATH:$AFL_PATH
+export PATH=$PATH:$AFL_PATH:$ZFUZZ_HOME/bin
 export AFL_SKIP_BIN_CHECK=1