Red Hat: Cleanup cloud::sql

Clean a test where it fails when the class is called from a OS different
from Red Hat or Debian families.
This is already tested in cloud::init class.

Signed-off-by: Emilien Macchi <emilien.macchi@enovance.com>
MySQL: use same bootstrap script for both RH & Debian

It seems the bug* fixed upstream has been packaged uptsream for both Red
Hat and Debian/Ubuntu.

This patch aims to:
- move the debian script to one generic
- delete the red hat script
- use the generic for all OS.

* https://bugs.launchpad.net/codership-mysql/+bug/1087368

Signed-off-by: Emilien Macchi <emilien.macchi@enovance.com>
cloud::sql / Comments cleaning

Some cleaning on comments and lint warning.

Signed-off-by: Emilien Macchi <emilien.macchi@enovance.com>
Revert "MySQL: use same bootstrap script for both RH & Debian"

This reverts commit b44621a0308926c731a094d63dee54ced574a5a1.

Signed-off-by: Emilien Macchi <emilien.macchi@enovance.com>

Conflicts:
	manifests/database/sql.pp
Merge pull request #398 from enovance/cleanup-redhat

WIP - Red Hat: Finish MySQL /Galera