Allow users to export their entries

![allyourentry](https://cloud.githubusercontent.com/assets/65323/4551958/d3fa8080-4e79-11e4-81fb-f40a7dd3afa6.jpg)

What do you think of using single quotes here, so you don't have to escape the double quotes? Or: `%q(filename="2014-01-02-trailmix.json)`