* The precision circle change now color when the FIX is gained by the GPS receiver
* The png icon for the current position is not used anymore. The marker is now implemented using a vectorial image, this makes its rotation easier
* Added support for the magnetometer message. The heading is computed in a very rough way and used to accordingly rotate the marker icon
* The title of the index.html is now "- Rendezvous -"
* The function that generates the polyline has been rewritten and replaced with a much more efficient one