po: update po/sv/campaign.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: update po/sv/case.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/menu.po (pulled from Transifex.net by CiviCRM l10n maintainer)