Update mail templates when enabling Z-Push

install/upgrade/versions/latest.sh

@@ -12,4 +12,5 @@ if [ -z "$MAIL_SYSTEM" ] && [ -z "$IMAP_SYSTEM" ]; then
     echo "(*) Configuring Z-Push ActiveSync & AutoDiscover service..."
     apt-get -qq update && apt-get install hestia-zpush
     cp -f $HESTIA/install/deb/zpush/zpush_params /etc/nginx/conf.d/
+    $BIN/v-update-mail-templates
 fi