[primary] handle final relation (eg attribute) in the relations section, and give dispctrl to view's extra kwargs as for non final relation

[entity] entity.view now support initargs as req.view

[schema view] use rdef.ACTIONS, attribute/relation don't use the same actions permission, that causes a crash for attribute rdefs

[tabs] take care, vid may not be a valid dom id (for jQuery at least)

[forms] callable field kwargs now always take form _and_ field parameters + make help kwargs accept a callable too

[forms] test abs() rql function

[schema] consider ETYPE_NAME_MAP when deserializing specialization relations

fix the fix

fix missing import in web.request

backport stable

[migration] when some inlined relation definition is added to an entity type which has some specialized types, it should be propagated to those types else they may miss the necessary table column to store the relation

[migration] dont crash if a group doesn't exists (it may not exists yet)

[migration] fix rename_entity_type bug: not putting eids of relation deleted using sql query may cause later error on commit, complaining on missing relation on an entity which has been actually deleted

[migration] fix crash when adding symmetric relation type