- Fix `windows_task` resource to be idempotent when specifying `start_time` and `start_day`.
- Allow specifying `gateway` in the `route` resource on RHEL and CentOS platforms.
- Fix `dsc_script` resource to be idempotent with WMF 5.

## Security

This release includes Ruby 2.4.2 to fix the following CVEs:

- [CVE-2017-0898](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-0898)
- [CVE-2017-10784](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-10784)
- [CVE-2017-14033](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14033)
- [CVE-2017-14064](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14064)