Trigger an intervention backup upon load.

Just prior to building out metadata, we should be triggering an intervention backup.
Detect if an image isn't of type JPEG and bypass rotation fixing via EXIF.

Closes #8.
Fixed raw orderby in highest res image scope
Merge pull request #10 from bmartel/master

Fixed raw orderby in highest res image scope
Made sure to handle the case where Imageable is not provided to function getPublicUriBySlot
Merge pull request #11 from bmartel/master

Made sure to handle the case where Imageable is not provided
Remove deprecated dependencies.