Host group activation key list is not obvious
Cloned from https://bugzilla.redhat.com/show_bug.cgi?id=1020001
Description of problem:
Activation keys that have appeared previously in Foreman under the Host Groups configuration do not show existing keys now.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Create Activation Key
2. Create a host group and go to activation keys section within forman.
3. Look for Activation Key that was created
No keys appear here underneath the "Subscriptions information based on selected activation keys:" message, but can be populated manually...
It should display Activation Keys below "Subscriptions information based on selected activation keys:"