FPA v1.3.1 Beta

Script updated to work on PHP 7.1
Fixed version reporting for versions after 3.6.3
Added the "delete script after use" notice to the finished page.
Added check box to show/hide core extensions.
Fixed the other check boxes so they behave as expected.
Added color to the extensions in forum output. Core is blue, 3rdP brownish.
Added Extensions enabled (1) or not (0) to the forum post output.
Added a button to count the number of characters in the post output.
Added MariaDB check.
Added more config settings.
Masked config values 'owner', 'group' and 'doc root' by default.