Tagging release 0008.

ng release 0007 (note that the Linux distribution contains an change …

…following this tagging: the addition of #include <avr/signal.h> to targets/libraries/Wire/utility/twi.c).

Tagging release 0006.

Tagging release 0005 (actually released September 6, 2006).

Tagging release 0004.

Tagging release 0003.

Release 0002.