Add portuguese translation of "XP from the Trenches", Kniberg
Add japanese translation of "Scrum and XP from the Trenches", Kniberg
Add chinese translation of "Scrum and XP from the Trenches", Kniberg
Fix anchors (persian)
Fix a link
Merge pull request #481 from ericguirbal/fr

Fix a link
Merge pull request #480 from ericguirbal/fix-anchors

Fix anchors (persian)
Merge pull request #479 from ericguirbal/kniberg

Translated versions of "Scrum and XP from the Trenches" in japanese, chinese and portuguese