po: update po/pl/mailing.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: update po/sv/common-base.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: update po/sv/drupal-civicrm.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: update po/sv/event.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: update po/sv/menu.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: update po/sv.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: update po/sv/report.po (pulled from Transifex.net by CiviCRM l10n maintainer)