WIP Graphics

This will ad the [D3 JavaScript Library](http://d3js.org/)

Currently this is just a bunch of code samples copied from the net and it should serve only as a base to build something "nice".

Code and output still look pretty rough :wink: 

See also: https://github.com/joomla/jissues/blob/graphics/Documentation/Development/Graphics.md

![j tracker - statistics](https://cloud.githubusercontent.com/assets/33978/2975621/eb91f3a0-db96-11e3-8cc5-71a0b4adfc1c.png)

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