Code cleanup

- Fixed indentation problems (view raw on yours, mixed tabs and spaces)
- Removed unnecessary extra `body` and `head` tags
- Rearranged code into sensible blocks (all `link`s together etc)
- Removed Mac `.DS_Store` file
- Added to Readme file

![Y0UJC](https://f.cloud.github.com/assets/234593/72971/a4bc3f68-602b-11e2-9790-47dba475ac33.png)