Minor update to make sure the name showing up in the Add List is 'Z

Catalog' which has the same naming scheme as all other Z* objects.
This won't affect the searing based on meta_type, just the thing
that's listed in the drop down list.

lib/python/Products/ZCatalog/__init__.py

@@ -100,6 +100,7 @@ def initialize(context):
         constructors=(ZCatalog.manage_addZCatalogForm,
                       ZCatalog.manage_addZCatalog),
         icon='www/ZCatalog.gif',
+        meta_type='Z Catalog',
         )
 
     context.registerClass(