German and Chinese translation updates.
By Ralf Thielow (4) and others
via Jiang Xin (1) and Tran Ngoc Quan (1)
* git://github.com/git-l10n/git-po:
l10n: Update translation for Vietnamese
l10n: de.po: add additional newline
l10n: de.po: translate 2 new, 3 fuzzy messages
l10n: de.po: translate 41 new messages
l10n: de.po: translate 265 new messages
l10n: zh_CN.po: translate 2 new, 3 fuzzy messages
l10n: Update git.pot (5 new, 3 removed messages)