Status bar summary

![screen shot 2014-12-03 at 21 46 54](https://cloud.githubusercontent.com/assets/1850538/5288679/499f3e68-7b37-11e4-9555-53dee1cf3f9e.png)

So it display the number of errors/warning.

Let me know if you need further information about the commit.
Yeah, this might work fine but it's generally not advisable. I don't actually know the space-pen api very well, but it should be possible to do with without resorting to inserting strings. 

I guess you can make a subcomponent like in inline-view. I wonder if there's another way though - it seems like it might be possible to use the `@div` stuff outside of `@content`, but I'm just assuming here.

Don't worry about it too much - a sub component will work fine.