More changes to make Heroku work
Revert 814f18c..a46dbd6

This rolls back to commit 814f18ce6254841a27fa13b36052ce1a2daf13ec.
Revert d30350c..f859186

This rolls back to commit d30350c33dffae4aae0c81147f0121c90d64a086.
Revert "SQLite to PostgreSQL"

This reverts commit d30350c33dffae4aae0c81147f0121c90d64a086.