Node Express Example Project for Weather Redirection for yahoo weather api

###Usage

1. set an environment variable YAHOO_APPID=your_68_char_appid
2. >node app.js
3. then point your browser at
   localhost:3000/wrd/yw/NameOfACity, e.g. localhost:3000/wrd/yw/Vancouver+BC and you should go to that Yahoo weather site.