New library s3_source
Provide a way to get the encrypted data bag secret from S3
Provide a way to get the validation key from S3
Remove some paranoid debug code
Remove bootstrap_context because we are not actually using it
Atomize the code a bit to make it more unit-test compatible
Add unit tests for s3_secret_file functionality
Remove Fog.mock!
Remove commented code
Pass credentials to Fog for S3 connection
add -url to validation key command line option
Add example IAM permissions for S3-based secret files
Merge pull request #250 from opscode/adamedx/s3_secret_file_source

Provide a way to the validation key and data bag secret from S3