Release 1.0.2

Added

• Added the syntax color for the code blocks in the README.markdown

Changed

• Move the changelog to markdown and start using semver
• The Travis tests matrix has been changed to get quicker tests and integrate
  rubocop testing for code quality
• Gemfile and Rakefile have been refactored

Fixed

• Fix metadata quality
• Fix a json_pure dependency problem in the Gemfile
• Code quality cleanup based on rubocop and rubocop-spec standards
• Fixed puppet-lint warnings