po: update po/ca/common-base.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: update po/nl/common-base.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: update po/pt_BR.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: update po/uk/member.po (pulled from Transifex.net by CiviCRM l10n maintainer)