Added basic admin say functionality
DONOTPULL: Auth fully implemented, NOT TESTED
Auth hookup available through Core

Relevant functions: Core.ValidateUser, Core.AddorUpdateUser, see
README.TXT
Updated user registration/validation flow, added unit tests
Attempted merge
Attempted merge, part 2
Attempted merge - needs review
- Updated libs
- Merged from alvin's stuff
- Started adding user management