upd: scripts

update permissions to install and setup.php along with adding #! to first line of files

install.php

@@ -1,4 +1,4 @@
-#!/usr/local/bin/php
+#!/usr/bin/env php
 
 <?php
 

setup.php

@@ -1,4 +1,4 @@
-#!/usr/local/bin/php
+#!/usr/bin/env php
 
 <?php