STUD-1856
Display "IS VISIBLE TO" when released and published
Reword staff lock prompt and notifications
Change "View Published Version" to "View Live Version"
Change "Unit Tree Location" to "Unit Location in Course"
Switch live content warning based on unpublished changes
Reword discard changes confirmation prompt
Reword unit location tip
Add "Edit the name" popup text for sections and subsections
Fix popup text for section and subsection titles
Add popup text for new section, subsection, and unit buttons
Reword popup for View Live button and add tests
Reword notification when removing staff lock
Update MessageView when has_changes changed
Change "Published" to "Published (not yet released)"
Change "Unpublished (Staff only)" to "Visible to Staff Only"
* adding back in drag and drop indicators to outline DOM
* correcting visual display of drag action in outline UI
* adjusting styling of outline drag and drop indicators
* adjusting styling of drag and drop was-dropped state
Fix bok_choy test by changing course separator.
Change format of the modal title to '[Subsection/Section Name] Settings'.
Improve bok_choy test stability.
Studio: correcting modal window size name for outline settings editor
Specify full date in bok_choy tests.
Refactor bok_choy tests.
Remove .modal-editor from basic-modal.underscore
Set classes in modal window dynamically.
Studio: revising outline edit modal tip content and overall size
Rename isEditable to isEditableOnCourseOutline.
Interpolate display name.
Use graded instead of format as flag.
Studio: revising outline settings edit modal size
Fix selectors in bok_choy tests.
* 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
