Added info file for web services, showing the IP address of the computer connecting. It can be used (taking only the first line) to set the correct address in the calling scripts

main/webservices/testip.php

@@ -0,0 +1,3 @@
+<?php
+echo htmlentities($_SERVER['REMOTE_ADDR'])."\n";
+echo '<br />This is your IP address, as detected by this server';