Merge branch 'V3_WEB' into V3

www/gpx/index.php

@@ -1,4 +1,7 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?php
+    header('Content-type: application/xml');
+    echo("<?xml version='1.0' encoding='UTF-8'?>\n");
+?>
 <gpx xmlns="http://www.topografix.com/GPX/1/1" xmlns:gpxx="http://www.garmin.com/xmlschemas/GpxExtensions/v3" xmlns:gpxtpx="http://www.garmin.com/xmlschemas/TrackPointExtension/v1" creator="Gasteizko Margolariak" version="2" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.topografix.com/GPX/1/1 http://www.topografix.com/GPX/1/1/gpx.xsd http://www.garmin.com/xmlschemas/GpxExtensions/v3 http://www.garmin.com/xmlschemas/GpxExtensionsv3.xsd http://www.garmin.com/xmlschemas/TrackPointExtension/v1 http://www.garmin.com/xmlschemas/TrackPointExtensionv1.xsd">
 <?php
     session_start();