Gnatt chart- JpGraph locale Error

You need to edit the file: jpgraph.php (Most probably path will be lib/jpgraph/src/jpgraph/jpgraph.php)

Modify the following code in jpgraph.php
$res = @setlocale(LC_TIME, $aLocale);

and change it to:
$res = @setlocale(LC_TIME, "pt_BR"); //Put the corresponding locale. Here it is "pt_BR".

You can find the locale details using the code:
system('locale -a'); // for all locales
?>

Setting Google site map generator script for domain

You can setup the Google sitemap generator script in the domain using the help of following URL:

The config.xml file should be edited according to the need of the customer domain. All steps are
specified in the URL. The python version should be 2.2 or above.
https://www.google.com/webmasters/tools/docs/en/sitemap-generator.html