[ja] Apply 0c34253095f327209aceab8b3170f93b0c0c4ed9
Merge pull request #413 from harupong/ja-chapter3

[ja] Update chapter3
[ja] Apply 51ba3fa4cc2fb203f8c377d5a937bf5f3425526d and fix typo
[ja] Apply b294744d98a6f6cdbc3508b0058f8616147c1596
[ja] Apply 8ec0ce6bfcd7944193a95a4794bf2cc88e874362
[de] Improve translation in chapter 4.5
[de] First translation of chapter 4.6
[de] First translation of chapter 4.7
Merge pull request #414 from harupong/ja-chapter9

[ja] Update chapter9
Merge pull request #415 from harupong/ja-chapter7

[ja] Update chapter7
[de] First translation of chapter 4.8
[es] Chapter 8.1 review
[es] Translated 8.1 - git svn
Add --word-diff option description v2
[ru] chapter 2: Incorporate changes from commit df7639bb6d

"Add an example on `**/` pattern to the example of .gitignore file."
[ru] Incorporate changes from commit 51ba3fa4cc

"Don't mention Git of pre-1.6 versions."
Merge pull request #418 from GArik/EN

Add --word-diff option description v2
[ru] chapter 2: Use formatting in tables and clean up `git log` options description
[ru] chapter 8: Make command for getting author names from SVN consistent with its description
[ru] chapter 4: commas and grammar