Added link to wiring instructions.

Added link to instructions for wiring LED matrix to the Max 7219
LED driver.
Made patterns loop.

Added code to detect when a pattern is no longer changing or when
a number of patterns are endlessly cycled and restart the world.
Added another Game of Life sketch.

Added a sketch to play the game of life on an 8x8 LED matrix
driven by a Max 7219.
Added Peggy scripts.

The scripts play the game of life on the Peggy2 LED board and run
an Ising model simulation on the Peggy2.
Added a git ignore file.
Make Blink flash two LEDs.
Merge branch 'master' of github.com:jbromley/Arduino