Move out of the Rails 4/5 secrets system into credentials. Spawned off of #367 (but doesn't resolve it) because that API key needed an update. Unrelated, but the example database config file uses a root username for the database, which is out of date. Also fixed in this PR.
Move out of the Rails 4/5 secrets system into credentials. Spawned off of #367 (but doesn't resolve it) because that API key needed an update. Unrelated, but the example database config file uses a root username for the database, which is out of date. Also fixed in this PR.