- tufte-book.layout; synchronize with the tufte-handout.layout
- tufte-book.lyx: add important note and improve the documentation according the example file for the similar tufte-handout class
- biblioExample.bib: new entry used by the tufte example files
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@31760 a592a061-630c-0410-9148-cb99ea01b6c8
