code: function initialize(done) {
      done = done || function() { };
      if (fileContents) done();
  
      fs.readFile(__dirname + '/../../data/filesystem.json', {
          encoding: 'utf8'
      }, function(err, data) {
          if (err) fileContents = {};
          else fileContents = JSON.parse(data);
          done();
      });
  }
docs: Initializes the file system
  
  @param {Function?} done A callback for when initialization is complete