Updated openstack/openstack
Project: openstack/horizon  8e21d7ba35d49741d779aa708f0ce80f64ff9d68

Fix concatenation in Volume related actions

Fix concatenation and pluralization issues for Volume,
Volume Type, Volume Snapshot, Extra Spec and QoS Specs
related actions.

Change-Id: I9ec9caeb0103663f34fc24a5bddd6276ff8b37e7
partial-bug: 1307476