Added placeholder in comment text field.
Changed "Be first to comment!" to "Aucun commentaire / No comments"
Comments will appear in chronological order (most recent first).
Media player: Removed stop, max-volume, full screen, shuffle, repeat buttons.
Changed category "Undecided" to "Ambivalent" in database.
Merge branch 'frontend-dev' into dir

Conflicts:
	app_60/app/views/narratives/play.html.erb
	app_60/db/development.sqlite3
Move directory up