the Norwegian version.
* src/nb/TODO
Merged r1208.
* src/nb/LAST_UPDATED
Updated by make sync.
* src/nb/book/appc.xml
Merged r1189.
* src/nb/book/appd.xml
Merged r1208.
* src/nb/book/ch03.xml
Merged and updated r1202.
* src/nb/book/ch04.xml
Merged r1163.
* src/nb/book/ch06.xml
Merged r1186, r1202.
* src/nb/book/ch07.xml
Merged r1203, r1206.
* src/nb/book/images/info.png
* src/nb/book/images/note.png
* src/nb/book/images/warning.png
* src/nb/book/styles.css
Merged r1211.
* src/nb/Makefile
Merged r1205, r1209.