GeoNode/geonode — pull request #499 by ischneider (2012-11-01 23:52:17+00:00)
Title: initial db security client port from mapstory

add optional db driven security client

changes from existing:
- make client handle authorisation

new functionality:
- db client authorises one layer at a time
- db client uses new endpoint to authenticate
- uses stored procedure to simplify DB api