Create fr translation + Translate index.html
Translate fr installation/deploy.md,index.md,linux.md + Replace all example_translation to fr
Update config to add french
Fix link to troubleshooting tips
Merge pull request #1512 from matthojo/gh-pages

Include more information to not translate Ghost yet
Merge pull request #1513 from jgillich/gh-pages-fix

Fix link to troubleshooting tips
Remove translation chapter from translations
Merge pull request #1515 from jgillich/gh-pages-translation
translate usage to zh

translate usage to zh
FR: correct few mistakes (thanks to @soyuka)
Merge pull request #1522 from qingyejiazhu/gh-pages

translate usage to zh
FR: now up-to-date with 8e44fa9
Merge pull request #1496 from marvinroger/gh-pages

[Translations: /fr] Started French translation
Started German translation
Translate Installation & Mail to German and apply updates
Translate Themes Doc to German
Merge pull request #1526 from jgillich/gh-pages-german-pr

[Translations: /de] Initial translation