Support custom User model in AdminLoginInterfaceSelectorMiddleware.
Added Eric Valadas to AUTHORS.
Merge
Fix call to get_model in search view.
Add test for the search view.
Version bump to 3.1.8
Added tag 3.1.8 for changeset 3a65b548dca4
Update auto generated CHANGELOG, requirements.
Nicer error message when register_setting is called with editable and no default.