Docq

This commit:

- Updates the layout to match new documentation structure
- Drops `api/` and redirects to API overview with actions to read documentation from xcode

### Landing
![screen shot 2014-03-04 at 11 42 15 am](https://f.cloud.github.com/assets/61150/2323423/43cb3670-a3bc-11e3-9000-821b2460de69.png)

### Examples
![screen shot 2014-03-04 at 11 41 51 am](https://f.cloud.github.com/assets/61150/2323422/43a689ba-a3bc-11e3-88e8-6f7122edf685.png)

cc @incanus