refactor fallbacks for unscheduled events to also show those without time slots

app/views/schedule/_unscheduled_events.html.haml

-- @unscheduled_events.each do |event|
-  - if event.time_slots != nil
-    %li.unscheduled-event{ :id => "event_#{event.id}",
-            :"data-update-url" => schedule_update_event_path(:id => event.id),
-            :"data-height" => (event.time_slots * 20 - 7) }
-      = link_to event.title, "#"
+- if @unscheduled_events != nil
+  %h2 No rooms assigned:
+  - @unscheduled_events.each do |event|
+    - if event.time_slots != nil
+      %li.unscheduled-event{ :id => "event_#{event.id}",
+              :"data-update-url" => schedule_update_event_path(:id => event.id),
+              :"data-height" => (event.time_slots * 20 - 7) }
+        = link_to event.title, "#"
+  %h2 No time slots assigned:
+  - @unscheduled_events.each do |event|
+    - if event.time_slots = nil
+      %li.unscheduled-event{ :id => "event_#{event.id}",
+              :"data-update-url" => schedule_update_event_path(:id => event.id),
+        = link_to event.title, "#"

app/views/schedule/index.html.haml

@@ -67,7 +67,6 @@
         #event-pane
           - @scheduled_events.each do |event|
             = render 'event', :event => event
-          %h2 No rooms assigned:
         #add-event-modal.modal{:style => "display: none;"}
           .modal-header
             = link_to "×", "#", :class => "close"