* Align namespaces in integration tests
* Align namespaces in unit tests
* Align namespaces in Backoffice.Filters
* Align namespaces in Backoffice.ActionResults
* Align namespaces in Backoffice.Mapping
* Align namespaces in Backoffice.PorpertyEditors and SignalR
* Align namespaces in Backoffice.Trees
* Align unit tests after migration
Updated AngularJsonOnlyConfigurationAttribute to be a TypeFilterAttribute, to allow injeciton into the filter.
Note: Left TODO about checking authorization of proxied trees..