Metal Sanic Character !

Making this short and quick, I added Metal Sanic! He has the same speed as everyone else and is the newest member to the team!
![unity 2014-09-27 18-57-32-94](https://cloud.githubusercontent.com/assets/8942644/4486033/0acd6ee2-49d9-11e4-8cf0-d7efeefe3414.png)
![unity 2014-09-27 19-02-38-98](https://cloud.githubusercontent.com/assets/8942644/4486031/0acaaa40-49d9-11e4-9ce9-fbffa33389f9.png)
![unity 2014-09-27 19-02-49-04](https://cloud.githubusercontent.com/assets/8942644/4486034/0ad0da1e-49d9-11e4-898e-3f1f9f5a27d0.png)
![unity 2014-09-27 19-02-52-20](https://cloud.githubusercontent.com/assets/8942644/4486035/0ad1b286-49d9-11e4-9904-232340e33710.png)
![unity 2014-09-27 19-03-05-34](https://cloud.githubusercontent.com/assets/8942644/4486032/0acb0c7e-49d9-11e4-9643-eb625c33906e.png)

I plan on specializing my time to adding new characters! That is what I wanna contribute to this game!