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

* git://github.com/git-l10n/git-po: l10n: zh_CN.po: translate 44 messages (2080t0f0u) l10n: de.po: translate 44 new messages l10n: Update Vietnamese translation (2080t0f0u) l10n: Update Swedish translation (2080t0f0u) l10n: git.pot: v1.8.3 round 2 (44 new, 12 removed)