move infrastructure to tuskar_ui

Signed-off-by: Tomas Sedovic <tomas@sedovic.cz>
update the infrastructure imports

Signed-off-by: Tomas Sedovic <tomas@sedovic.cz>
Add example settings for Horizon

These settings will allow us to configure Horizon with Tuskar UI

Signed-off-by: Tomas Sedovic <tomas@sedovic.cz>
Add the forked Horizon files

The following files have our local modifications over traditional Horizon so we
need to carry them around until they get in the upstream.

I've just copied the files over. We probably don't need most of the stuff in
there, so that should be cleaned up soon.

Signed-off-by: Tomas Sedovic <tomas@sedovic.cz>
Fix the usage of the forked Horizon files

Related to the previous commit, we can no longer just import our forked horizon
stuff directly. So this updates the imports so to use the local changes.

Signed-off-by: Tomas Sedovic <tomas@sedovic.cz>
Remove the Horizon-specific files

Signed-off-by: Tomas Sedovic <tomas@sedovic.cz>
Don't time out when listing unracked nodes

When we don't have Nova baremetal running, the app will die trying to list the
unracked nodes.

Signed-off-by: Tomas Sedovic <tomas@sedovic.cz>