PR geerlingguy#228 Docs adjustments.

Merge pull request geerlingguy#218 from joelpittet/master

Set default query_cache_type off to match mysql default

Merge pull request geerlingguy#214 from ikelos/issue-146

Allow replication against masters without a .my.conf file.

Add tests for Debian 8.

Switch from deprecated always_run to check_mode and bump min Ansible …

…version.

Merge pull request geerlingguy#169 from dabootski/master

Allow sql_mode to be overridden

Merge pull request geerlingguy#188 from geerlingguy/BlackMesh-run_as_…

…non_root

More correctly and automatically support running the role as a user other than root

Adjust geerlingguy#176 for backwards compatibility.

Fixes geerlingguy#175: Problems with Ansible 2.2.0.

Merge pull request geerlingguy#135 from JorisVanEijden/132-overridabl…

…e-variables

Provide overridable OS-specific defaults.