Update Resolve_oguid view for new oguid (without client_id).
Add composite columns `globalindex.Taks.oguid`.
Use composite column oguid in TaksQuery utility.
Add oguid comparison for string oguids.
Update successor taks controller to use new oguid.
Fix actor labels for ploneusers.
Fix unicode-decode error.
Replace oguid-links to doucments in journals with absolute urls.
Fixed typo in comment.
Dropped GlobalindexMaintenanceView.

The view is not used at the moment and has to be written complety.
Currently it's not definitely that we use a view for Globalindex Maintenance
Jobs. Therefore we drop it.
Merge cleanup.
Rework task accept: use current orgunit/AdminUnit instead of current client.
Rework `remote_request` and `remote_json_request`.

Use AdminUnit.id instead of client_id.
Rename client_id to admin_unit_id.
Use admin units in close task form of information tasks.
Use admin units when updating ogds sync timestamp.
Fix wrong method, use format.
Use admin unit when closing predecessor/successor tasks.
Use admin unit in state syncer.
Rename client_id to target_admin_unit_id for response transporter.