Postgres 8.2 compatibility.
Non-SSL connection to Postgres is preferred.
Added logging for non-matched city. (issue #3)
Code related to dirty data normalization moved to locallib. (issue #3)
Refactoring in database setup code.
Database connection split into two: one for local computation and one for target database.
Adding "under_processing" to EmployerLocation and ContractorLocation. (issue #3)
Removed redundant code.
Adding "deleted" to EmployerLocation and ContractorLocation. (issue #3)
Consistent storage types for latitude and longitude values.
Disable transactions for database "target_data".