po: update po/it/campaign.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: update po/pt_BR/common-base.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: update po/sq/menu.po (pulled from Transifex.net by CiviCRM l10n maintainer)