po: update po/da_DK/common-base.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: update po/es_ES/event.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: update po/hu_HU/common-base.po (pulled from Transifex.net by CiviCRM l10n maintainer)