On the physical resources dashboard, add a button to view all
resources for pods, clusters, and hosts. This will compile a
list view containing the resources across all zones.
In order to be able to add resources when in this zone-inspecific mode,
a zone drop-down had to be added to the create forms for
pods, clusters, and hosts.
reviewed-by: jessica
Conflicts:
ui/scripts/ui-custom/physicalResources.js