po: add po/multisite/cs_CZ/multisite.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: add po/multisite/de_DE/multisite.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: add po/multisite/es_ES/multisite.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: add po/multisite/fr_FR/multisite.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: add po/multisite/hu_HU/multisite.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: add po/multisite/nl_NL/multisite.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: add po/multisite/pl_PL/multisite.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: add po/multisite/pt_BR/multisite.po (pulled from Transifex.net by CiviCRM l10n maintainer)