Add Ruby 2.1.0 to CI
Use require_relative to prevent encoding.rb from being loaded twice
Merge pull request #618 from MonkDev/master

Use require_relative to prevent encoding.rb from being loaded twice
Add experimental YARDoc task

Generate documentation with YARD using the following command:

    bundle exec rake yard
Merge pull request #619 from prawnpdf/yardoc

Add experimental YARDoc task
Resolve merge conflicts