Changed warning message for git version update.

Author: Till Brehm

server/scripts/ispconfig_update.php

@@ -86,9 +86,9 @@ function simple_query($query, $answers, $default)
                                              |___/ ";
 echo "\n".str_repeat('-', 80)."\n";
 echo "\n\n>> Update  \n\n";
-echo "Please choose the update method. For production systems select 'stable'. \nThe update from svn is only for development systems and may break your current setup.\nNote: Update all slave server, before you update master server.\n\n";
+echo "Please choose the update method. For production systems select 'stable'. \nWARNING: The update from GIT is only for development systems and may break your current setup. Do not use the GIT version on servers that host any live websites!\nNote: Update all slave server, before you update master server.\n\n";
 
-$method = simple_query('Select update method', array('stable', 'svn'), 'stable');
+$method = simple_query('Select update method', array('stable', 'git'), 'stable');
 
 if($method == 'stable') {
 	$new_version = @file_get_contents('http://www.ispconfig.org/downloads/ispconfig3_version.txt') or die('Unable to retrieve version file.');