Merge branch '05' into ko

* 05:
  Correct Word
  [ko] proofreading ch. 05
[ko] proofreading ch. 06
Merge branch '06' into ko

* 06:
  [ko] proofreading ch. 06
[ko] Up to date, chapter7
[ko] proofreading ch. 07
[ko] Correct Word

"Stage 영역" to "Staing Area"
Merge branch '07' into ko

* 07:
  [ko] Correct Word
  [ko] proofreading ch. 07
  [ko] Up to date, chapter7
[ko] proofreading ch. 08
[ko] Correct Word

"Stage 영역" to "Staing Area"
[ko] remove english text
Merge branch '08' into ko

* 08:
  [ko] remove english text
  [ko] Correct Word
  [ko] proofreading ch. 08
[ko] Up to date, chapter9
[ko] proofreading ch. 09
[ko] Remove English text
Merge branch '09' into ko

* 09:
  [ko] Remove English text
  [ko] proofreading ch. 09
  [ko] Up to date, chapter9
[ko] chapter 9: fix a trivial typo

addressible -> addressable

Conflicts:
	ko/09-git-internals/01-chapter9.markdown
[de] First translation of part of chapter 6.3 (Stashing)
Merge pull request #431 from dogfeet/ko

[Ko] Improve korean translation.
Merge pull request #432 from progit-de/next

[de] German translation of chapter 6.3
Fix invalid ssh URL for all languages.