added an "annotator" field
updated dbutils to try to connect any way it can to db
added annotation utilities

* scripts to export and import text and annotations
* itty web server to make things easy
added notes to extract_text html
added a try-except to server to point people in the right direction if itty isn't installed
cleanup annotation directory when finished
make sure we're not duplicating annotations as we re-insert old ones into the db