Создание ресурсов без глобальной роли

По мотивам #2

Author: numbata

lib/ya_acl/builder.rb

@@ -35,7 +35,8 @@ def resources(allow, &block)
 
     def resource(name, allow_roles = [], &block)
       raise ArgumentError, 'Options "allow_roles" must be Array' unless allow_roles.is_a? Array
-      resource_allow_roles = allow_roles << @global_allow_role
+      resource_allow_roles = allow_roles
+      resource_allow_roles << @global_allow_role if @global_allow_role
       resource = Resource.new(name)
       acl.add_resource resource
       PrivilegeProxy.new(resource.name, resource_allow_roles, acl, block)