Remove opengever-view.
Remove `get_client_id` from advanced search form.

Conflicts:
	opengever/advancedsearch/advanced_search.py
Fix copy-paste error.
Cleanup imports, rename test.
Add depth argument to get_subdossiers to allow recursive traversing.

This fixes a potential bug with filing number generation for nested sub-dossiers.
Drop archiver mock test in favour of a functional test case.
Remove `get_client_id` from opengever.dossier.
Remove `get_client_id` from opengever.inbox.
Remove `get_client_id` from opengever.latex.
Add current user as default arugment for plone ogds service.
Remove client_id from catalog, index and metadata.
Remove `get_client_id` from `opengever.task`.
Remove `get_client_id` from `opengever.tasktemplates`.
Remove `get_client_id`. BeGone!
Also pass required assigned_org_unit to sql-task constructor.

This prevents an error with too-early flushes when generating reference
numbers.
Bump upgraded version to latest metadata version.
Drop `IBaseClientID`.

It has been superseded by `IAdminUnitConfiguration`.
Setup default fixture for all functional tests.

The default fixture consists of an admin-unit, an org-unit and an ogds-user.
Fix upgrade step after rebase.
Adapt new tests for fixture setup after rebase.