New versions of vision lib + basic apps + enhanced apps

[Chantemargue Fabrice]

Hi Glen,

At last, I got time to port the vision lib + a basic demo in Swarm-1.0.1. I
added a much better application, which is based on vision, and which
illustrates a more complex behavior.
These are included in the three subsequent emails (uuencoded, gziped): one file
per email (to avoid to have a too long message).

Cheers. Fabrice.

-- 

/****************************************************************/
/*                                                              */
/*                    Fabrice CHANTEMARGUE                      */
/*      Computer Science Institute, University of Fribourg      */
/*    Parallelism and Artificial Intelligence Research Group    */
/*                     Chemin du musee, 3                       */
/*               CH-1700 Fribourg (Switzerland)                 */
/*              email: address@hidden            */
/*               http://www-iiuf.unifr.ch/~chantem/             */
/*                   telephone: +41 26 300 84 73                */
/*                                                              */
*****************************************************************/