User database for OpenID-based authentication. #72
Added some test user data to 'test.db'.
Database queries to look up users and their OpenIDs.
User name model.
Test plain user names for a start.
Strings can only have dynamic predicates.
Extended the database interface with the user database tables.
Fixing errors in package SQL_Statements.Users.
Strings can only have dynamic predicates.
List of users.
Updated Bob.dist config to match the new Dart client.
Removed non-functional tests.
Changed AgentID to string instead of integer.
Moved AMI out of the main tree, and into a dedicated library (libami).
See https://github.com/rostgaard/libami
Added esl as a library dependency.
Migrated to libesl.
Added SIP peer handling.
Removed warnings to sooth Thomas' OCD.