* syncing up status-release hover states for outline units
* adjusting in-context editor UI for longer outline titles
* corrects outline incontext editor display regression
* cleaning up unit/container sidebar styling
* removing redundant margin on Outline UI subsections
* selecting text when a user focuses into an incontext-editor input - STUD-2032

Stop propagation of clicks in XBlockStringFieldEditor
Fix collapsed subsections expanding when creating or deleting subsections
Prevent clicking in display name textbox from toggling expand collapse
Add test for published title when not live

* correcting visual display of outline UI without content
* temporarily resolving page actions that should be hidden by default

* syncing up unit publishing state UI with stateful names/styles
* revising outline item status message display logic to show release status
* fixing publishState value typo in outline UI template
* refining and syncing incontext editor styling
* maintaining visual alignment of collapsed/expanded sections in outline UI
* simplifying page-level action styles on outline UI

organizing_course -> outline

STUD-1967

Also add standalone spec

STUD-1984

STUD-1873

STUD-1726

STUD-1860

Conflicts:
	cms/djangoapps/contentstore/views/item.py

styling for editing a live unit

Whitespace is now trimmed from input. If after trimming input is empty
(pure whitespace or the empty string), the field is not updated.

STUD-1707

cleanup of unit, container, and xblock sass; added modules and layout sass; publishing states and actions on new unit