Fix for "Data Bag Items must contain a Hash or Mash!" introduced in 1.3.1

[justintime]

I really don't think this is the proper fix for the problem brought up in #20, but I can tell you these facts:

• chef-vault 1.3.0 worked fine in our chefspec tests for our cookbooks
• chef-vault 1.3.1 introduced the problem mentioned in the issue above
• reverting back to 1.3.0 without changing anything else allowed chefspec to pass

I looked at the changes in helper.rb between releases, and came up with this hack which works in our case. I don't think this is the proper fix, rather I just wanted to point out something that worked so that someone more familiar with chef-vault cookbook, chef-vault, and chef could get a head start on finding the bug.

[chef-supermarket]

Hi. I am an automated pull request bot named Curry. There are commits in this pull request whose authors are not yet authorized to contribute to Chef Software, Inc. projects or are using a non-GitHub verified email address. To become authorized to contribute, you will need to sign the Contributor License Agreement (CLA) as an individual or on behalf of your company. You can read more on Chef's blog.

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• @justintime

Please sign the CLA here.

[chef-supermarket]

Hi. Your friendly Curry bot here. Just letting you know that all commit authors have become authorized to contribute. I have added the "Signed CLA" label to this issue so it can easily be found in the future.

[dwmarshall]

Error still occurs with 1.3.2

[tas50]

@justintime Any chance you can tell me if this is still an issue we need to address?