added type='button' to both guard portal btns so firefox won't normalize to type='submit'; fixed several FTs for new click-guard functionality on Role card select & room gear menu DEL & BYE btns; several restorations to landscape breakpoint incl. logged-ion display_name, copyright info; provided title to room_scroll.html; a slurry of other minor fixes

src/templates/apps/gameboard/_partials/_room_gear.html

@@ -3,12 +3,12 @@
     {% if request.user == room.owner %}
     <form method="POST" action="{% url 'epic:delete_room' room.id %}">
         {% csrf_token %}
-        <button type="submit" class="btn btn-danger">DEL</button>
+        <button type="submit" class="btn btn-danger" data-confirm="Delete this room?">DEL</button>
     </form>
     {% else %}
     <form method="POST" action="{% url 'epic:abandon_room' room.id %}">
         {% csrf_token %}
-        <button type="submit" class="btn btn-abandon">BYE</button>
+        <button type="submit" class="btn btn-abandon" data-confirm="Leave this room?">BYE</button>
     </form>
     {% endif %}
 </div>