fixed guldemond issue

deleted athletes/guidemond.html (this was not a valid file)
modified index.html (changed link from guidemond.html to guldemond.html)
renamed imgs/guidemond.jpg -> imgs/guldemond.jpg

![screen shot 2014-02-12 at 12 27 57 am](https://f.cloud.github.com/assets/530870/2146440/e65c20d2-93bf-11e3-800f-f83d446ae53e.png)