Autocomplete action must exist on user registration

No need to restrict the autocomplete suggestion system to logged in users.
It only botched the registration process, because the 'autocomplete' action
had not been connected in the routing system.

plugins/Autocomplete/AutocompletePlugin.php

@@ -49,10 +49,8 @@ class AutocompletePlugin extends Plugin
 
     function onRouterInitialized($m)
     {
-        if (common_logged_in()) {
         $m->connect('main/autocomplete/suggest', array('action'=>'autocomplete'));
     }
-    }
 
     function onPluginVersion(&$versions)
     {