bug fix, gps not sending to DB

Caused by userid no being send to add_location.php
Text to speech

TTS on welcome
Bug fix - route

Route wasnt sending as the JSONObject list changed to an iterator using
.hasNext() ... One record does not have next so it wasnt sending. This
class is only suitable for sending lists of objects
Bug fix - create user

Creating user was not setting the global logged in userid variable