Merge branch 'notes' of github.com:pbanaszkiewicz/amy into notes
Updating migration script and database dump to reflect schema changes.

1.  Modified `migrater.py` to insert empty string for `notes` in `site` and `event`.
2.  Created new `db.sql` dump containing these changes.
Merge pull request #2 from gvwilson/notes

Updating migration script and database dump to reflect schema changes.