Tweaked db.url for working with PG instance on raiders6
Tweaked db.url for working with PG instance on raiders6

shahin/deepdive,HazyResearch/deepdive,HazyResearch/deepdive,HazyResearch/deepdive,sky-xu/deepdive,sky-xu/deepdive,shahin/deepdive,HazyResearch/deepdive