EightPuzzle is a node.js application that solves the classic sliding tile eight puzzle.  To run EightPuzzle, first make
sure that Node.js is installed on your computer.  Information on downloading, installing, and setting up
Node.js can be found at http://nodejs.org/.

Once Node.js is set up on your local machine, on the command line, navigate to the root directory which should
contain app.js, package.json, and your project files.  Type "npm start", open a browser, and navigate to "localhost:3000".

Alternately, the current version of this app can be viewed and used at https://blooming-headland-6665.herokuapp.com/