Updated openstack/openstack
Project: openstack/horizon  c8f95071abcb1af5327705d52e3b69388ec874ef

Add "new in" tags to docs for new Icehouse settings

Also re-alphabetize settings list

Change-Id: Ieb47e9f2a0be4906a744970a9d17dd5177e59fc0
Partial-Bug: #1300710