Renamed all .inc PHP files to .php and replaced all .inc calls

Because .inc style is deprecated and also dangerious as often not setup
correctly on the server all .inc files have been renamed to .php files.

All internall calls have been udpated.

www/lib/CoreLibs/Template/SmartyExtend.php

@@ -0,0 +1,32 @@
+<?php declare(strict_types=1);
+/********************************************************************
+* AUTHOR: Clemens Schwaighofer
+* CREATED: 2004/12/21
+* SHORT DESCRIPTION:
+*	extends smarty with the l10n class so I can use __(, etc calls
+* HISTORY:
+* 2005/06/22 (cs) include smarty class here, so there is no need to include it in the main file
+*********************************************************************/
+
+namespace CoreLibs\Template;
+
+// I need to manually load Smarty BC here (it is not namespaced)
+require_once(BASE.LIB.SMARTY.'SmartyBC.class.php');
+// So it doesn't start looking around in the wrong naemspace as smarty doesn't have one
+use SmartyBC;
+
+class SmartyExtend extends SmartyBC
+{
+	public $l10n;
+
+	// constructor class, just sets the language stuff
+	public function __construct(string $lang)
+	{
+		SmartyBC::__construct();
+		$this->l10n = new \CoreLibs\Language\L10n($lang);
+		// variable variable register
+		$this->register_modifier('getvar', array(&$this, 'get_template_vars'));
+	}
+}
+
+// __END__