Merge pull request #143 from rumpelsepp/master

Use /usr/bin/env bash shebang

config.sh.example

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 ########################################################
 # This is the main config file for letsencrypt.sh      #

hook.sh.example

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 function deploy_challenge {
     local DOMAIN="${1}" TOKEN_FILENAME="${2}" TOKEN_VALUE="${3}"

test.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # Fail early
 set -eu -o pipefail