fixing isioc_type comment
adding method (from existing cube blog code) to ISiocItem (isioc_replies,
isioc_topics)
adding method (from existing cube blog code) to ISiocContainer (isioc_items)
classToTo(EntityType):permissions={'read':('managers',RRQLExpression('S bla Y'),),'add':('managers',),'update':('managers',),'delete':('managers',),}attr=String()