Added editing function for pages (using tinymce).

Added editing pages for footer, banner, aside.
Added page overview.
Added public page.
Added settings page.
Added generator for embed pseudocodes.

edit/index.php

@@ -15,6 +15,7 @@ require_once __DIR__ . "/inc/functions.php";
 ensureEnvironment();            // Ensure existence of system files.
 $translations = loadLanguage(); // Load translations.
 ensureBackendEnv();             // Ensure session is started etc.
+$pages = loadPages();           // Load overview of pages.
 
 /*
  * Load data.
@@ -24,7 +25,7 @@ ensureBackendEnv();             // Ensure session is started etc.
  * Output
  */
 
-echo printBackendHead($translations['start']);
+echo printBackendHead($translations['start'], $translations['start'], $settings['logo']);
 echo printBackendHeader($translations['start'], $translations['helpStart']);
 
 echo '