Description of problem:

While upgrading the Satellite server from 6.1 to 6.2 (Beta), it removes all the Hypervisor profiles from the Satellite server.

Version-Release number of selected component (if applicable):

- Satellite 6.2 Beta

How reproducible:

- Always

Steps to Reproduce:

1. Install a Satellite 6.1 Server.

2. Install and configure virt-who (make sure that hypervisor profiles are available).

3. Upgrade the Satellite server to 6.2.

Actual results:

Upgrade process removes the Hypervisor profiles from the Satellite server.

Expected results:

Satellite server should keep the profiles. 

Additional info:

- As the hypervisor profiles are removed the derived SKU is also removed.

- It causes the client to use the Temporary subscription.

- And customer has to attach the subscriptions to the Hypervisor profiles again.

While running the pre_upgrade check it returns the warning,

~~~~~~
# foreman-rake katello:preupgrade_content_host_check
Calculating Host changes on upgrade.  This may take a few minutes.

Summary:
Content hosts to be preserved: 2
Content hosts to be deleted: 1
Details on Content Hosts planned for deletion saved to /tmp/pre-upgrade-1468612101.csv
You may want to manually resolve some of the conflicts and duplicate Content Hosts.
Upon upgrade those found for deletion will be removed permanently.

# cat /tmp/pre-upgrade-1468612101.csv 
uuid, name, hostname, last_checkin, causes for deletion
a4b49ec8-bb33-45d6-aa03-4620e77b9fc1,dca47d81-53d8-11cb-bbeb-b4c1c02ffba4,,2016-07-11T19:57:49.450+0000,Missing hostname information.
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