Update to RSpec 3 syntax.
Spec out behavior for autodetecting encrypted data bag items.
Enable autodetection of encrypted data bag items.
Update for changed error message return.
Fix stubs.
Add ::encryptor_keys to versioned encryptor classes.
Clarify encrypted data detection.
Ignore v3 encryption detection on ruby < 2.0.
Add error logging on failure to load secret file.
Update for enhancement of data_bag_item to fetch encrypted data bag items.
Merge pull request #1853 from opscode/mcquin/Issues-1849

Autodetect encrypted data bag items in data_bag_item dsl method.