* Software update: Rework preparing the flash process

- Finish all unnecessary threads and processes before the flash process
- Use flash.start to stop other (user-defined) processes

data/neutrino-scripts/flash.start

@@ -1 +1,28 @@
 #!/bin/sh
+
+if pidof vsftpd > /dev/null; then
+	echo "Kill vsftpd"
+	killall vsftpd
+fi
+
+if pidof ushare > /dev/null; then
+	echo "Kill ushare"
+	trap "" INT
+	kill -INT `pidof ushare`
+fi
+
+if [ -e /var/etc/.djmount ]; then
+	echo "Kill djmount"
+	fusermount -u /media/upnp
+fi
+
+## remount rootfs readonly #################
+mount -no remount,ro /
+RET=$?
+echo -n "remount rootfs readonly "
+if [ "$RET" = "0" ]; then
+	echo "successful."
+else
+	echo "failed."
+fi
+############################################