[x] Update Changelog following the conventions laid out on Keep A Changelog
[ ] Update README with any necessary configuration snippets
[ ] Binstubs are created if needed
[x] RuboCop passes
[x] Existing tests pass
Purpose
This PR removes another instance of Ruby 1.9.3 support per the Sensu Plugins policy:
Ruby 1.9.3 (EOL): Linting is not done against it, and 1.9.3 will be supported where possible till Feb 2016 which is one year after EOL and 2 years after EOL was announced.
This change should have been included in #4 but was overlooked.
Pull Request Checklist
General
Purpose
This PR removes another instance of Ruby 1.9.3 support per the Sensu Plugins policy:
This change should have been included in #4 but was overlooked.
Known Compatibility Issues
Adds incompatibility with Ruby version < 2.0.0