more category hooks

src/categories/update.js

@@ -20,7 +20,13 @@ module.exports = function(Categories) {
 					var fields = Object.keys(category);
 					async.each(fields, function(key, next) {
 						updateCategoryField(cid, key, category[key], next);
-					}, next);
+					}, function(err) {
+						if (err) {
+							return next(err);
+						}
+						plugins.fireHook('action:category.update', {cid: cid, modified: category});
+						next();
+					});
 				});
 			});
 		}