po: update po/es/event.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: update po/hu/admin.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: update po/hu/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/nl.po (pulled from Transifex.net by CiviCRM l10n maintainer)