release v1.12.0 (2016-06-06)

• Add support for CA with passphrase (issue #16, thanks Baptiste Courtois).
• Fallback to unencrypted data bag with node['chef-vault']['databag_fallback'] (issue #25, thanks Alexey Demidov).
• Add custom file mode for key file (issue #26, thanks Alexey Demidov).
• Update RuboCop to 0.40.

Documentation:

• Improve chain_name parameter requirement documentation (issue #24, thanks Alexey Demidov).
• Improve TESTING documentation.
• README: Add license badge.

Testing:

• Remove useless test attributes (issue #16, thanks Baptiste Courtois).
• Add a .kitchen.cloud.yml file.
• Fix unit tests.
• Disable some broken integration tests.
• CircleCI update: Use Ruby 2.3.
• Berksfile: Add info link and avoid calculating the cookbook name.
• Gemfile:
  • Update kitchen-ec2 to version 1.
  • Update foodcritic to 6.3.