fixed #1023; display close icon on diaspora alert faceboxes

public/javascripts/stream.js

@@ -80,7 +80,7 @@ var Stream = {
     });
 
     $(".new_status_message").bind('ajax:failure', function(data, html , xhr) {
-      json = $.parseJSON(html.response);
+      json = $.parseJSON(html.responseText);
       if(json.errors.length != 0){
         Diaspora.widgets.alert.alert(json.errors);
       }else{

public/javascripts/widgets/alert.js

@@ -29,6 +29,6 @@ Diaspora.widgets.add("alert", function() {
 
     $.facebox({
       div: "#diaspora_alert"
-    });
+    }, 'diaspora_alert');
   }
-});
+});

public/stylesheets/sass/application.sass

@@ -2378,6 +2378,8 @@ div.dislikes
 #facebox
   .close
     :display none
+  .diaspora_alert~.close
+    :display block
 
 #aspect_edit_controls
   :margin