Fixes #6188 - Dynflowized activation key creation

If [this (foreman-tasks pr#74)](https://github.com/theforeman/foreman-tasks/pull/74) gets pulled in, it will look like this
![snapshot3](https://cloud.githubusercontent.com/assets/7326770/3394970/5494d80a-fcf2-11e3-9b0a-d48c774f2fc0.png)