Make theme class properties public

Allows access from widgets, which get passed the theme object.
Fixes #207.

qa-include/qa-theme-base.php

@@ -39,16 +39,16 @@ if (!defined('QA_VERSION')) { // don't allow this page to be requested directly
 
 class qa_html_theme_base
 {
+	public $template;
+	public $content;
+	public $rooturl;
+	public $request;
+	public $isRTL; // (boolean) whether text direction is Right-To-Left
+
 	protected $indent = 0;
 	protected $lines = 0;
 	protected $context = array();
 
-	protected $template;
-	protected $content;
-	protected $rooturl;
-	protected $request;
-	protected $isRTL; // (boolean) whether text direction is Right-To-Left
-
 	// whether to use new block layout in rankings (true) or fall back to tables (false)
 	protected $ranking_block_layout = false;