Description of problem:
Creating a new host and leaving the SSH port empty brings up a 'Power Management Configuration' dialog with an unclickable 'Ok' button.

Version-Release number of selected component (if applicable):
oVirt Engine Version: 3.3.0-0.3.beta1.fc19

How reproducible:
100%

Steps to Reproduce:
1. Create a new host
2. Give it a name and ip address
3. Delete the default SSH port, leave it empty

Actual results:
The SSH field is required, but still the 'Power Management Configuration' dialog pops up. The OK button is unclickable.

Expected results:
The 'OK' button of the new host dialog should not bring up the 'Power Management Configuration' dialog because the SSH port field is required.