Description of problem:
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Create a product/repo
2. Register a system or create one with the API
3. On the Systems tab, select the system
4. On the Suscriptions subtab, select a subscription and click "Subscribe"
The right panel does not reflect the change, sub still shows under "Available Subscriptions" instead of "System current subscription(s)"
Right panel refreshes to show the product has been subscribed to.
git commit: a70e5cc9e2b44cbdbc106689e01ec1046b5a87fd
getting rid of 6.0.0 version since that doesn't exist