Merge pull request #10 from ninjix/master

Assign MySQL Root Password during Debian/Ubuntu installation
Add managed my.cnf for CentOS
Set MySQL root password for CentOS
Merge pull request #12 from opennode-salt-formulas/centos-rootpass

Set MySQL root password for CentOS and remove anonymous user
Merge pull request #11 from opennode-salt-formulas/centos-my.cnf

Add managed my.cnf for CentOS
Merge remote-tracking branch 'upstream/master'