Description of problem:

The card images for custom migration targets are not loading, instead, they display broken image icons.

The image requests are returning an HTTP Status 302.

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

How reproducible: Always

Steps to Reproduce:
1. Login into Tackle and go to Administration -> Custom migration targets

Actual results:

The migration targets images aren't displayed, the same thing is happening when selecting the migration target in the analysis wizard

Expected results:

Each migration target cald should displaye its image.

Additional info: