[nl] Chapter 02. Review, include new command output and add header.

   Reviewed translations and made them more consistent and in line with
   the recommendations of the Dutch language institute.
   Added a header to that effect to the file.
   Included the new modified command output.
[nl] Chapter 02. Review, include new command output and add header.

   Reviewed translations and made them more consistent and in line with
   the recommendations of the Dutch language institute.
   Added a header to that effect to the file.
   Included the new modified command output.
[nl] Chapter 02. More commands straightened

     On second viewing there were more commands to be corrected.
Merge branch 'chapter02' of github.com:Cpt-xx/progit into chapter02

Conflicts:
	nl/02-git-basics/01-chapter2.markdown
[nl] Chapter 02 Move the comment after first text.

    Aparently the Maruku test checks whether there is any HTML
    comment at the start (which is equally formed as the comment
    given in the English text concerning keeping the tabs unmodified.

    At this point it is not clear to me what this Maruku check consists
    of.
[nl] Chapter 02 Try to get past Maruku test
[nl] Chapter 01 Try to beat Maruku test
[nl] Chapter01 Add additional enter to avoid failing on Maruku test
[nl] Chapter 02 Try to pass Maruku test
Merge pull request #675 from Cpt-xx/chapter02

[nl] Chapter 02. Review, include new command output and add header.