Per discussion on #429 (after the merge). This project is about encouraging users to run services themselves and not rely on for-profit corporations such as Google.

Fixes #406

add additional comment about `tun-mtu` parameter in openvpn config template

- google dns setting for client
- verb level
- mtu
- TLS settings

Thanks-to: 8e693b3db3

because why the fuck not?

Not awesome. We need a better alternative, ideally one with a better security stance.

Formatting the task names.

Use newer native "write HTTP" plugin to send metrics to Librato, if configured.

Move Apache task to their own file.

Resolves #400.

Resolves #402.

Resolves #410.

 * fix mail_db_opendmarc_username/mail_db_opendmarc_password variable
   not found.
 * python-mysqldb package is required. Add it to opendmarc task.