Add comment functionality to tracks

app/views/admin/tracks/show.html.haml

@@ -127,3 +127,21 @@
                   = event.state
                 %td
                   = event.time
+
+
+
+  .row
+    = link_to "Comments (#{@comment_count})", '#', id: 'event-comment-link'
+    #comments-div
+      %hr
+      %ul.media
+        %div
+          .row-fluid
+            = semantic_form_for :comment, url: comment_admin_conference_program_track_path(@conference.short_title, @track.short_name), method: :post do |f|
+              = f.input :body
+              = f.submit 'Add Comment', class: 'btn btn-primary pull-right'
+          %br
+          %br
+          - @comments.each do |comment|
+            %div
+              = render partial: 'nested_comments', locals: { comment: comment, padding: 0}