Translate 7.0 "Git Tools".
Translate 7.10 "Debugging with Git".
Translate 7.0 "Git Tools": fix errors according with review.
Translate 7.10 "Debugging with Git": fix errors according with review.
Merge pull request #33 from lyobzik/7.10-debugging

Translate 7.10 "Debugging with Git".
Merge pull request #29 from lyobzik/7.0-git-tools

Translate 7.0 "Git Tools".
Translate appendix A - Git Guis