[FEATURE] Add settings controller for application settings.
[CHORE] Refactor passport configuration into initializer.
[CHORE] Remove unused integration test.
[FEATURE] Move all the routes into config/routes
[CHORE] Move rest of connect middleware to middleware initializer
[FEATURE] Simplify balances controller to use new user method.
[FEATURE] Add balances and externalBalances methods to User model.
[FEATURE] Add index method, rename old to userIndex in external transactions controller.
[CHORE] Move all things from server.js to where they actually belong.