Demonstrates various mobility models.

Random movements:
 - RandomWPMobility
 - MassMobility
 - ...

Predefined paths:
 - LinearMobility
 - CircleMobility
 - RectangleMobility
 - ...

Scripted ones:
 - TurtleMobility
 - ANSimMobility
 - BonnMotionMobility
 - ...

There are several runs defined in omnetpp.ini, each one uses a 
different mobility model. You can select a given run by specifying 
the -r <num> option on the command line.
