updated makefile for xelatex

Makefile

@@ -3,7 +3,7 @@ OPTIONS += --filter=pandoc-numbering
 OPTIONS += --filter=pandoc-crossref
 
 PDFOPTIONS = --highlight-style kate
-PDFOPTIONS += --pdf-engine pdflatex
+PDFOPTIONS += --pdf-engine xelatex 
 PDFOPTIONS += --number-sections
 PDFOPTIONS += --template=./default.latex
 
@@ -23,7 +23,6 @@ all:  cours.pdf cours.html
 # 	pandoc -s $(OPTIONS) $(PDFOPTIONS) -o $@ $<
 
 cours.pdf: $(CLASS_SOURCES)
-	pandoc -v
 	pandoc -s $(OPTIONS) $(PDFOPTIONS) -o $@ $^ --metadata-file metadata.yaml
 
 cours.html: $(CLASS_SOURCES)