[ci skip] Automatic changelog update

CHANGELOG.md

@@ -4,10 +4,13 @@
 
 **Closed issues:**
 
+- IPv4 assumption in SELinux tasks [\#75](https://github.com/cloudalchemy/ansible-node-exporter/issues/75)
 - Node\_exporter is not running with fresh install on Debian 9 [\#71](https://github.com/cloudalchemy/ansible-node-exporter/issues/71)
 
 **Merged pull requests:**
 
+- Refactor preflight checks [\#79](https://github.com/cloudalchemy/ansible-node-exporter/pull/79) ([paulfantom](https://github.com/paulfantom))
+- make SELinux settings ipv6 compatible [\#78](https://github.com/cloudalchemy/ansible-node-exporter/pull/78) ([paulfantom](https://github.com/paulfantom))
 - fix\(tasks/configure.yml\): typo in task name [\#77](https://github.com/cloudalchemy/ansible-node-exporter/pull/77) ([angristan](https://github.com/angristan))
 - reintroduce user management into defaults and add testing user creation [\#74](https://github.com/cloudalchemy/ansible-node-exporter/pull/74) ([paulfantom](https://github.com/paulfantom))
 - Add systemd state to started for first run of the role [\#72](https://github.com/cloudalchemy/ansible-node-exporter/pull/72) ([MCyprien](https://github.com/MCyprien))