Feature/style and add jquery

Hi, I made some visual changes you might want to add to this project:
![image 2014-09-05 at 12 22 04 pm](https://cloud.githubusercontent.com/assets/65846/4163401/adfd731c-34e6-11e4-8b59-96139a69e86a.png)

I also changed pure js to jquery so that the code is more managable as I will add command history as you would have in normal console later and maybe more.