Updated to match Normalize 2.1.3

- Fix IE 10 active link background color
- Normalize the `template` element display
- Add IE 10 to checkbox/radio normalization comments

More information in the [normalize.css
history](https://github.com/necolas/normalize.css/commits/master/normalize.css).
Merge pull request #10 from christopherdwhite/master

Updated to match Normalize 2.1.3