Change labels in QOS Specs panels

Under Admin->Volumes->Volume Types, all the QOS spec
forms and tables should match the Cinder docs, which
use "QoS", instead of "QOS".

Also, references to QoS "consumer" should be
capitalized.

Change-Id: I70237152732f02c4c2c6c34917181a5dcb669b12
Closes-Bug: #1371711
fix tiny gap in navigation sidebar

Change-Id: Id8d870f8b86f2f0e2ea60dd7e4d11c9b4acf5f44
Closes-Bug: #1378452
Fix jshint failure in horizon.d3piechart.js

The var "item" on line 240 was explicitly being set to "undefined",
which is unnecessary.

Change-Id: Ia4cb8f868a4b201e578157a8ad5c5e552ab6ac8a
Closes-bug: 1378766
Merge "fix tiny gap in navigation sidebar"
Merge "Fix jshint failure in horizon.d3piechart.js"
Merge "Change labels in QOS Specs panels"
Merge branch 'master' of https://github.com/openstack/horizon