Use newer version of mysql cookbook for centos compatibiilty

Resolves issue where the user root@127.0.0.1 is not created correctly on
centos.

Change-Id: I89f2cc7d7d4780890d7774aee5e6d9e377c38af6
Implements: blueprint centos-rhel-for-common
Implements: blueprint reference-havana-vagrant