add a description field
add a description field to distinguish tests of the same content
update the increment and reward functionality to use the id identifier
reward and increments work with ids
send a nice error message if no active content
set environment variables
Merge branch 'ld-add-description-field' into ld-use-the-id-field
update curl command with better test data
add error handling around finding the experiment id
increment the experiment id counter
use the superpixie key to add the results table
Merge pull request #6 from guardian/ld-use-the-id-field

Make the id field the ultimate key in the database