Disable Options Indexes in horizon
Disable Options Indexes in horizon

Security scanners complain that directory listings are enabled in horizon.

Change-Id: I1d7cfcb3521e8235a99bc452f1b7b92c20ce72ac
Closes-Bug: #1637576

openstack/tripleo-heat-templates,dprince/tripleo-heat-templates,dprince/tripleo-heat-templates,openstack/tripleo-heat-templates