po: update po/de/grant.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: update po/de/mailing.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: update po/de.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: update po/es/common-base.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: update po/es/contribute.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: update po/es.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: update po/hu/common-base.po (pulled from Transifex.net by CiviCRM l10n maintainer)