Update recording-changes.asc

Added note about git diff --staged and git diff --cached being synonyms
Translate 1-introduction.asc
Translate up to Git Basics
Comment out source text
Translate 'First Time Setup'
Translate 'Getting Help'
Translate 'Installing Git'
Translate 'The Command Line'
Translate image captions
Translate image captions. Fix header
Fix asciidoc syntax
Merge pull request #128 from mrlucmorin/master

Update recording-changes.asc
fix progit-ja/progit#11
Update jgit.asc
Merge pull request #134 from madhead/patch-1

Update jgit.asc
Chapter1 is translated
Merge remote-tracking branch 'upstream/master'