Expo: allow 'default' configuration scope.
Expo: improve config log message.
Assets: read from assets.yml instead.
Expo gen: generate assets config.
Expo: improve expo --help.
Update notes/history.
Expo gen: write a database.yml default.
Expo gen: ignore node_modules by default.
Sequelize: don't load sequelize, load it in the app.
Connect assets in app, not package.
Sequelize: add 'run db-sync' to run Sequelize sync.
Expo gen: add notes about db setup.
Update Rails to Express guide.