Certificate post-hook script: add option to restart lighttpd.

scripts/create-combined-pemfile

@@ -8,6 +8,14 @@ then
 	exit 1
 fi
 
+if [ "$1" = "-r" ]
+then
+	RESTART=1
+	shift
+else
+	RESTART=0
+fi
+
 for DOMAIN in "$@"
 do
 	LINKDIR=/etc/letsencrypt/live/"$DOMAIN"
@@ -24,3 +32,8 @@ do
 	cat "$LINKDIR"/privkey.pem "$LINKDIR"/cert.pem >"$PEMFILE"
 	ln -s -f -r "$PEMFILE" "$LINKDIR"/combined.pem
 done
+
+if [ "$RESTART" = 1 ]
+then
+	systemctl restart lighttpd
+fi