renamed scripts to better represent their function

posix/maketi

@@ -6,7 +6,7 @@ WORKDIR="$(basename "$1")"
 if [ -z "$LIBPATH" ]; then
 	LIBPATH='/lib'
 fi
-PRELOAD_SCRIPT='preload'
+PAYLOAD_SCRIPT='payload'
 LIBLIST="$WORKDIR"/liblist
 SUMFILE="$WORKDIR"/checksum
 tmpfile="$WORKDIR"/tt
@@ -141,7 +141,7 @@ md5sum -b "$DIRNAME".tar | cut -d " " -f1 > "$SUMFILE"
 lz4 --rm -9 -c "$DIRNAME.tar" > "$DIRNAME".tar.lz4
 
 echo "Injecting payload..."
-sed s/SUM/"$(cat "$SUMFILE")"/ "$PRELOAD_SCRIPT" |
+sed s/SUM/"$(cat "$SUMFILE")"/ "$PAYLOAD_SCRIPT" |
 sed s/ID/"$(basename "$DIRNAME")"/ |
 awk '!/^ *#/ && NF' > tpp