4teamwork/opengever.core — pull request #268 by phgross (2014-05-28 10:44:33+00:00)
Title: Organisational Unit 

This PR attempts to .... It includes:
- Use 4teamwork/opengever.ogds.models#6 unit abstractions and service methods.
- Added upgrades step for the AdminUnit table migration (see 4teamwork/opengever.ogds.models#6)
- The `OrgUnitSelector` functionality (Viewlet, Helpers).
- Rework some tests and test setups according to the `OrgUnitSelector` integration,
- Replaced `ContactInfo.list_assigned_users` with `assigned_users` methods on both units.
- Added SqlBuilders to create client, orgunits, adminunits etc.

@deiferni