Add a relatively big feature for parsing dmidecode
Add a relatively big feature for parsing dmidecode

    - Add grains.core._dmidecode_data(), a generic dmidecode parser
    - Add grains.core._hw_data(), a place to store os specific
      regular expressions for the dmidecode output jumble.
    - New grains! biosversion, biosreleasedate, productname,
      manufacturer, and serialnumber

saltstack/salt,saltstack/salt,saltstack/salt,saltstack/salt,saltstack/salt