Issue geerlingguy#54: Updates README to reflect mysql_packages change.

Fixes geerlingguy#58: Provide better OS-specific slow query log file …

…paths.

Fixes geerlingguy#53: Don't manage postfix in MySQL role.

Merge pull request geerlingguy#50 from jpeak5/master

PR geerlingguy#50: Eliminate extra whitespace in the mysql_daemon variable.

PR geerlingguy#38 cleanup - change order and update README.

Fixes geerlingguy#17: Allow configuration of mysql slow query log.

Merge pull request geerlingguy#30 from BlackMesh/rename-python-my-cnf

Renamed python-my.cnf.j2 to user-my.cnf.j2 - has nothing to do with python.

Fixes geerlingguy#22: Make MySQL root user password settings more rel…

…iable.

Don't set replication role to 'master' by default, saves binlogs.

Issue geerlingguy#9: Allow mysql_packages to be overridden.