Create README.md

everything needs a license...
Update README.md

i spent way too long editing this
Add touch events
Merge branch 'master' of github.com:dj/react_game_of_life
change name to index
Didnt commit deleted file.
Add play and restart buttons.
Style buttons, make play button toggle.
Make buttons a bit more usefull with keyboard shortcuts.
handle keypresses at window level