git-remote-mediawiki: allow stop/start-ing the test server

Previously, the user had to launch a complete re-install after a lighttpd
stop (e.g. a reboot).

Signed-off-by: Matthieu Moy <Matthieu.Moy@imag.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

contrib/mw-to-git/t/install-wiki.sh

@@ -20,6 +20,8 @@ usage () {
 	echo "		install | -i :	Install a wiki on your computer."
 	echo "		delete | -d : Delete the wiki and all its pages and "
 	echo "			content."
+	echo "		start  | -s : Start the previously configured lighttpd daemon"
+	echo "		stop        : Stop lighttpd daemon."
 }
 
 
@@ -33,6 +35,14 @@ case "$1" in
 		wiki_delete
 		exit 0
 		;;
+	"start" | "-s")
+		start_lighttpd
+		exit
+		;;
+	"stop")
+		stop_lighttpd
+		exit
+		;;
 	"--help" | "-h")
 		usage
 		exit 0