AID-833 Renamed gem to amedia-cors, and use Gaia instead of Checkpoint to determine trusted domains.
Removed extraneous dev dep.
AID-833 Updated README to reflect changes.
AID-833 Spec now checks values passed to find_by_domain.
Merge pull request #2 from amedia/AID-833.rename-to-amedia-cors

AID-833 Renamed gem to amedia-cors