anchor.diff:  cd nodegame
   
   :: Install the dependencies.
  -mkdir node_modules; cd node_modules
  +mkdir node_modules & cd node_modules
   git clone https://github.com/nodeGame/nodegame-client.git
   git clone https://github.com/nodeGame/nodegame-server.git
   git clone https://github.com/nodeGame/nodegame-window.git
  
positive.code: :: Add symbolic links to given dependencies that are in nodegame/node_modules
  :: (e.g. JSUS, NDDB)
  function link_deps {
      mkdir -p node_modules
      (
          cd node_modules
          for dep in "$@"
  
negative.code: robocopy bin/ng.connect.static.js.copy node_modules/express/node_modules/connect/lib/middleware/static.js
  
  :: Rebuild js files.
  cd bin
  node make build-client -a -o nodegame-full
  
  :: Install ultimatum game.
  