Description of problem:

From oVirt Engine main web root page, click link to "Reports Portal".

The link is to:
https://ovirt.example.org/ovirt-engine/services/reports-redirect

The redirect goes to:
https://ovirt.example.org/flow.html?viewAsDashboardFrame=true

This page is 404:
The requested URL /flow.html was not found on this server.

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

How reproducible:
Always

Steps to Reproduce:
1. Go to root web page and try to access Reports Portal

Actual results:
404

Expected results:
Reports portal