'initial commit'
Initial Import: basic functionality working
Git Ignore added
Unused file removed
Interface improved, speed scaling added.
Heroku deplyment files added
Node dependencies added
Syntax error fixed
Port changes in different environments
make sure environment is set to production when deployed
Environment var removed, now set using heroku command line
Production port changed
Demo URL added to README
Tidy up of some code
Merge branch 'master' of github.com:cwhy/game_of_life
Merge branch 'master' into sim