Started on branch to populate the DB

Running ./createtables will run the dml and handle exceptions
accordingly.
__init__.py makes it a package
Added more DDL

ADDRESS.sql CODEVIOLATIONSREPORT.sql ELECTRICITY.sql
FireRescueEMSResponse.sql
Renamed with camel case
Use string for month not number
Script to load data into the database

currently parses the json file correctly
Natural gas DDL
Changes included accepting any arg for...

Any arg passed to something using dbutil will indicate that it should
connect to oracle on localhost (ssh forwarding, for instance)
Tested and working
Use 7 digits for IDs

May have in excess of 1 million tuples!
Renamed natural gas DDL
Fixed some typos in inheritance
Merge pull request #3 from aabmass/populate-db

Populate db