po: update po/ca/contribute.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: update po/cs/common-base.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: update po/cs/common-components.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: update po/cs/contribute.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: update po/de/event.po (pulled from Transifex.net by CiviCRM l10n maintainer)
po: update po/pt_BR/hrdcase.po (pulled from Transifex.net by CiviCRM l10n maintainer)