Description of problem:
The data center main tab and sub tabs grid columns are not sortable at all right now.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
Unsortable grid columns.
Clicking on the header of the grid columns will apply sorting to the selected column.
Making this more general for all main tabs and sub tabs.
oVirt 3.5 has been released and should include the fix for this issue.