Improved clode layout.

app/models/user/search.rb

@@ -58,10 +58,10 @@ returns
 
       # try search index backend
       if SearchIndexBackend.enabled?
-        items = SearchIndexBackend.search( query, limit, 'User' )
+        items = SearchIndexBackend.search(query, limit, 'User')
         users = []
         items.each { |item|
-          users.push User.lookup( id: item[:id] )
+          users.push User.lookup(id: item[:id])
         }
         return users
       end