Several Small Changes from this morning

- Fixed some unclosed file handles in DataManager
- Fixed GetChildren to use FIELD_CHILD rather than FIELD_ID
- Added Recent Items handling to UserContext
- Added API for Recent Items & Favorites to the QAController
- Fixed CA->COM extension on test servers so that the network touching tests work on the lab machines
- Added Login method on QAController exposing setUserContext to code that needs to log in