Removed eid and id_range from IteraterResult. Used sha256 from address instead of id_range@eid.
Restored get_address_group_id.
Merge pull request #199 from shaitan/recovery

Removed eid and id_range from IteratorResult. Fixed bugs with different node with equal eid and id_range.
v2.24.13.28
recovery: removed duduplication from hashing code