v1.5.0

Improvement

• COOK-3651 - Refactor and clean up
• COOK-3630 - Switch NTP cookbook linting from Tailor to Rubocop
• COOK-3273 - Add tests

New Feature

• COOK-3636 - Allow ntp cookbook to update clock to ntp servers

Bug

• COOK-3410 - Remove redundant ntpdate/disable recipes
• COOK-1170 - Allow redefining NTP servers in a role