Fixing log_message signature, adding get_user_from_id
Applying new User-related calls to Fonera hooks.
Make session management explicit and external.
Adding user id and making it foreign key.
Changing User table name and columns to something more sensible.
Merge branch 'master' of github.com:BitsDevelopmentTeam/bits-server
Merge pull request #13 from esseks/master

Externalize and make explicit DB session management, introducing user ID.