moved tutorial examples to GF/examples

doc/tutorial/Makefile

@@ -1,10 +1,16 @@
-all: html tex
+all: book
 
-html:
+tuthtml:
 	txt2tags -thtml --toc gf-tutorial2_9.txt
-tex:
+tuttex:
 	txt2tags -ttex --toc gf-tutorial2_9.txt
 	cat prelude gf-tutorial2_9.tex >tmp.tex
 	mv tmp.tex gf-tutorial2_9.tex
 	pdflatex gf-tutorial2_9.tex
 	pdflatex gf-tutorial2_9.tex 
+book:
+	txt2tags -ttex --toc gf-book.txt
+	cat prelude gf-book.tex >tmp.tex
+	mv tmp.tex gf-book.tex
+	pdflatex gf-book.tex
+	pdflatex gf-book.tex