Update command line output in Chapter 4.2

The command line output in the examples is from an older version of Git
(1.7.*) and is slightly inconsistent with the latest version.
Update command line output in Chapter 4.5

The command line output in the examples is from an older version of Git
(1.7.*) and is slightly inconsistent with the latest version.
Update command line output in Chapter 4.7

The command line output in the examples is from an older version of Git
(1.7.*) and Gitosis. Both being slightly inconsistent with the latest
versions.
[nl] Retranslate chapter 06, clarify some of the sentences and remove Babelfishes.
Merge pull request #661 from Cpt-xx/chapter06

[nl] Retranslate chapter 06, clarify some of the sentences and remove Babelfishes.
[ja] Remove unnecessary translator's note

A public key is public by nature. No need to worry about sending it over email.
[nl] Retranslate chapter08. Remove Babelfishes and clarify text.
Merge pull request #662 from rinopo/patch-1

[ja] Remove unnecessary translator's note
Merge pull request #663 from Cpt-xx/chapter08

[nl] Retranslate chapter08. Remove Babelfishes and clarify text.
[zh-tw] Synchronize with En version
[zh-tw] Update Chapter 2
Merge pull request #664 from daftano/master

[it] update chapter 1
Merge pull request #651 from Matt-Stevens/update-commandline-output-ch4

Update commandline output in Chapter 4
Merge pull request #666 from YueLinHo/master

[zh-tw] Synchronize with En version
Reviewing "Git Basics"
[it] reviewed "Git Basics"