use /usr/bin/env to find the right bash

net-test/bin/faucet.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # Yup, it's a faucet HTTP server written in bash.  This is what my life has come to.
 

net-test/bin/start.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 BITCOIN_LOGFILE="/mnt/bitcoin.log"
 BITCOIN_NEON_CONTROLLER_LOGFILE="/mnt/bitcoin-neon-controller.log"

net-test/bin/txload.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 FEE_RATE=300
 MAX_CHAINING=5