po: update po/de_DE/common-base.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: update po/de_DE/drupal-civicrm.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: update po/pl_PL/common-base.po (pulled from Transifex.net by CiviCRM l10n maintainer)