Problem: Add skip-name-resolve variable to template

[mamedin]

This role should allow to configure the skip_name_resolve variable in the my.cnf config file.

"skip_name_resolve = on" is a desirable option that should be enabled in almost all production servers.

Here is a thread that explains the multiple reasons related to use the above option:

https://www.percona.com/blog/2008/05/31/dns-achilles-heel-mysql-installation/