Add make cover

Makefile

@@ -7,6 +7,10 @@ all:
 # ps2pdf breaks ToC and other internal links
 #	ps2pdf SNOUG.pdf SNOUG-web.pdf
 
+cover:
+	$(MAKE) -C src cover
+	mv src/Cover.pdf .
+
 clean:
 	rm -f *.pdf
 	$(MAKE) clean -C src

src/Makefile

@@ -34,9 +34,18 @@ all:
 		-interaction=nonstopmode				\
 		SNOUG.tex
 
+cover:
+	xelatex								\
+		-halt-on-error						\
+		-shell-escape						\
+		-interaction=nonstopmode				\
+		Cover.tex
+
 clean:
 	rm -fr _minted-*
 	rm -f *.aux
+	rm -f *.bib.bak
+	rm -f *.bib.sav.tmp
 	rm -f *.bbl
 	rm -f *.bcf
 	rm -f *.blg