updated css, updated js libraries

Updated jQuery and Dojo versions
Redesigned page's CSS
Moved ads to below the markup (you will have to put the Google AdSense code back, I was unable to simulate them)
![htmlshell screenshot](https://f.cloud.github.com/assets/3989031/311477/18b03cb4-9743-11e2-8d7c-d7b7ad2948fc.png)

I hope I'm doing this right, this is my first open source contribution.