No step-tickers by default for Ubuntu
Release v2.0.1

Ubuntu does not package /etc/ntp/step-tickers, so the defaults are to
ensure that file is absent.

If you are running Ubuntu and want that functionality, ensure you have
the following in Hiera.

ntp::step_tickers_ensure: present
Merge pull request #11 from ghoneycutt/no_step_tickers_by_default_in_ubuntu

No step tickers by default in ubuntu