Change confusing term 'app' to 'origin' in authorization page.

templates/authorization_page.html

@@ -26,7 +26,7 @@
 
       <form action="" method="post">
           <p class="cookie_reset {% if not cookie_list %}hidden{% endif %}"> <input type="checkbox" name="continue" value="true" checked> Continue allowing origins listed above </p>
-          <button name="accept" value="ok">Allow this app!</button>
+          <button name="accept" value="ok">Allow this origin!</button>
       </form>
     </div>
   </body>