Started German translation
Translate Installation & Mail to German and apply updates
Translate Themes Doc to German
Fixed some small mistakes
Fixed tiny mistake
Fixed tiny mistake
Fixed tiny mistakes
Fixed tiny mistakes
Merge pull request #1526 from jgillich/gh-pages-german-pr

[Translations: /de] Initial translation
Fixed tiny mistakes
Merge pull request #1537 from kraftner/gh-pages-german-pr

[Translations: /de] Some small typos
mention to change GHOST_HOST variable in init-script
mention that sudo might be necessary to execute commands
mention to check the DEAMON variable
make changing the chmod look nicer
make setting update-rc commands look nicer
add basic documentation for setting up nginx
add Ghost running in background as a prerequisit
Include language dropdown into the footer
Merge pull request #1571 from matthojo/gh-pages

[Docs] Include language dropdown into the footer