moving threads will refresh view for all connected clients as well

src/topics.js

@@ -293,6 +293,7 @@ var	RDB = require('./redis.js'),
 						RDB.set('tid:' + tid + ':category_slug', data.categories[0].slug);
 					});
 					socket.emit('api:topic.move', { status: 'ok' });
+					io.sockets.in('topic_' + tid).emit('event:topic_moved', { tid: tid });
 				} else {
 					socket.emit('api:topic.move', { status: 'error' });
 				}