These release notes are as of: $Date$
+Current:
+ Added support for shimmer2 platform
+ Improved MSP430 sleep code to default to LPM4
+ Added platform-indepdent TOS_SLEEP_NONE for McuPowerOverride
+ Improved TOSSIM PRR curve to prevent very low SNR packets
+ Fixed TOSSIM bug where nodes could receive while transmitting
+ Fixed TOSSIM ack bug for nodes that change their AM id at runtime
+ Improved Queue performance by changing % to inequality test
+
2.1:
Added support for iris platform
Added support for shimmer platform