The name of object.UserHeader message implies its use by the user. However,
the attributes of an object can also be set internally by the system. To
generalize the intended purpose of the message, this commit renames it to an
Attribute (like container.Attribute).
Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
This commit replaces Range message definition closer to where it is used. In
the future, only the types associated with the structure of the object will
be defined in types.proto file.
Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
This commit:
* moves Token message to service package;
* updates token structure (new verb field, some renaming);
* replaces VerificationHeader header with Token in object package;
* removes no longer used VerificationHeader message.
