Merge branch 'master' of git://github.com/git-l10n/git-po

* 'master' of git://github.com/git-l10n/git-po: l10n: ru.po: update Russian translation l10n: git.pot: v2.19.0 round 1 (382 new, 30 removed) l10n: de.po: translate 108 new messages l10n: zh_CN: review for git 2.18.0 l10n: sv.po: Update Swedish translation(3608t0f0u)