Allow regular users to upload, too.

controllers/UploadMedia.php

@@ -10,8 +10,8 @@ class UploadMedia extends HTMLController
 {
 	public function __construct()
 	{
-		// Ensure it's just admins at this point.
-		if (!Registry::get('user')->isAdmin())
+		// Ensure we're logged in at this point.
+		if (!Registry::get('user')->isLoggedIn())
 			throw new NotAllowedException();
 
 		if (!isset($_REQUEST['tag']))