[Tinyos Core WG] 2.1 safe testing

[John Regehr]

To give a little more detail on Safe TinyOS: we're giving top priority 
to the applications Jan compiles in cruisecontrol:

- BaseStation
- Blink
- MOscope
- Null
- Oscope
- Powerup
- RadioCountToLeds
- RadioSendToLeds

on three platforms: mica2, micaz, telosb.  All of these compile and 
things are looking good for running them but we're still testing.  I 
expect that plenty of other applications work in safe mode but we 
haven't been testing them.

John