release v2.0.0 (2015-08-22)

• Breaking changes:
  • Update the postfixadmin cookbook to version 2 (See the postfixadmin cookbook CHANGELOG for the update process).
  • Update onddo-spamassassin cookbook to version 1 (See the postfixadmin cookbook CHANGELOG for the update process).
• New features:
  • metadata: Add source_url and issues_url.
• Documentation:
  • Update chef links to use chef.io domain.
  • Update contact information and links after migration.
  • README: Put the cookbook name in the title.
• Testing:
  • Fix ChefSpec unit tests to work with latest chef-vault cookbook.
  • Use SoloRunner in some ChefSpec tests to make them faster.
  • Move ChefSpec tests to test/unit.
  • Travis: run tests against Chef 11 and Chef 12.
  • Add Debian 8 to test-kitchen tests.
  • Kitchen tests: fix MySQL password.
  • Minitest: remove some redundant tests.
  • Gemfile:
  • Fix Ruby 1.9 support.
  • Update RuboCop to 0.33.0.