release v1.1.0 (2015-08-31)

• Add Oracle Linux support.
• Install deltarpm package on Fedora.
• metadata: Add source_url and issues_url.
• Update contact information and links after migration.
• Documentation:
  • README:
  • Use markdown tables.
  • Improve description.
• Testing:
  • Gemfile: Update RuboCop to 0.33.0.
  • Add a Vagrantfile.
  • Add a Guardfile.
  • Add a .rubocop.yml file.
  • Move ChefSpec tests to test/unit.
  • Rakefile: Add clean task.
  • .kitchen.yml: Update platforms.
  • Travis CI:
  • Add Ruby 2.2.
  • Run test-kitchen in Travis with the kitchen-in-travis script.