- .rst now supresses default if none is set (looks better in HTML)
  - .rst now handles empty options list
  - Fixed postgresql_user and mysql_user because YAML contained colons
  - docs for facter

Changing the parameter names to be consistent, and adding root user default with empty password, as per mysql standard

Check file exists instead of relying on the exception. Leave the exception catch in, in case the file is deleted or some other issue crops up

Changing to read from a file pointer instead so that an exception is thrown if the file doesn't exist