Do not grant "GRANT OPTION" by default

[bigon]

Hello,

The "percona::rights" definie is creating the grants with the "Grant option" privilege when setting "priv => 'all'"

This is IMHO wrong and not what the user wants. The GRANT option privileges should be explicitly asked and not set by default

[vStone]

Plans are to remove the grant option when using 'all' but include it when using 'really_all'. no ETA, patches welcome.