Icons for VS2012

It's a really nice idea.
Works fine with VS2012 with this patch.

**Explorer** 
![explorer](https://f.cloud.github.com/assets/846943/320581/ef164e2c-994d-11e2-978a-776f52501a16.png)
**Taskbar**
![taskbar](https://f.cloud.github.com/assets/846943/320582/ef383ae6-994d-11e2-8de3-b3d38c79c494.png)