Absolutely position manuscript edit icons

Fixes [#81613016]

Before:
![screen shot 2014-10-28 at 3 15 51 pm](https://cloud.githubusercontent.com/assets/59880/4818135/0d884b1c-5ef0-11e4-9f59-eec1df53a770.png)

After:
![screen shot 2014-10-28 at 3 15 54 pm](https://cloud.githubusercontent.com/assets/59880/4818134/0c2c1bae-5ef0-11e4-9b39-f7e5752ddf55.png)