Use fog-aws instead of fog
Use fog-aws instead of fog

Avoids pulling in all the other parts of fog you don't care about.
Also add a minimum version to carrierwave to support the change.

enova/landable,efueger/landable,efueger/landable,efueger/landable,enova/landable,efueger/landable,enova/landable,enova/landable