Merge git://github.com/git-l10n/git-po

* git://github.com/git-l10n/git-po:
  l10n: de.po: correct singular form
  l10n: de.po: translate "leave behind" correctly
  l10n: de.po: fix typo
  l10n: ca.po: update translation

Author: gitster