Merge pull request #1004 from tlevine/env-bash

[Fix] use env bash rather than /bin/bash
diff --git a/install.sh b/install.sh
index c1da5b5..27b6333 100755
--- a/install.sh
+++ b/install.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 { # this ensures the entire script is downloaded #
 
diff --git a/nvm-exec b/nvm-exec
index e92d4aa..0d28870 100755
--- a/nvm-exec
+++ b/nvm-exec
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 DIR="$(command cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
diff --git "a/test/fast/Running \"nvm use x\" should create and change the \"current\" symlink" "b/test/fast/Running \"nvm use x\" should create and change the \"current\" symlink"
index d5fda3c..fcc4acb 100755
--- "a/test/fast/Running \"nvm use x\" should create and change the \"current\" symlink"
+++ "b/test/fast/Running \"nvm use x\" should create and change the \"current\" symlink"
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 export NVM_SYMLINK_CURRENT=true
 . ../../nvm.sh
diff --git "a/test/fast/Running \"nvm use x\" should not create the \"current\" symlink if $NVM_SYMLINK_CURRENT is false" "b/test/fast/Running \"nvm use x\" should not create the \"current\" symlink if $NVM_SYMLINK_CURRENT is false"
index 4ac8b4b..3603e04 100755
--- "a/test/fast/Running \"nvm use x\" should not create the \"current\" symlink if $NVM_SYMLINK_CURRENT is false"
+++ "b/test/fast/Running \"nvm use x\" should not create the \"current\" symlink if $NVM_SYMLINK_CURRENT is false"
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 . ../../nvm.sh