replace mime_content_type to pecl finfo in filestore/File.php
replace mime_content_type to pecl finfo in filestore/File.php

mime_content_type is depreciated and not working for PHP 5.3+

xepan/atk4-addons,xepan/atk4-addons,atk4/atk4-addons,atk4/atk4-addons,atk4/atk4-addons,xepan/atk4-addons