1. /apps/EasyCollection implements injecting packet loss and building
    the local diagnosis area: see source code files EasyCollectionC.nC,
    EasyCollectionAppC.nc,  Simulation.cpp.

2. In /apps/Blink, /apps/RadioCoundToLeds , /apps/MultihopOscilloscope
   the following small parts are implemented for tutorial purposes:
   send/receive packets, create events, print debug messages to the
   corresponding channel, firing the timers.