Correct invalid table markup

- Add required <tr> within <thead>
  - Add implicit <tbody> after <thead>

app/views/admin/reports/_all_events.html.haml

@@ -10,15 +10,16 @@
 .col-md-12
   %table.datatable
     %thead
-      %th ID
-      %th Title
-      %th Speakers Registered
-      %th Speakers Biographies
-      %th Commercial
-      %th Subtitle
-      %th Difficulty Level
-      - if @program.tracks.any?
-        %th Track
+      %tr
+        %th ID
+        %th Title
+        %th Speakers Registered
+        %th Speakers Biographies
+        %th Commercial
+        %th Subtitle
+        %th Difficulty Level
+        - if @program.tracks.any?
+          %th Track
     %tbody
       - @events.each do |event|
         %tr

app/views/admin/reports/_events_with_requirements.html.haml

@@ -9,13 +9,14 @@
 .col-md-12
   %table.datatable
     %thead
-      %th ID
-      %th Title
-      %th Speaker(s)
-      %th Requirements
-      %th Room
-      %th Date
-      %th Time
+      %tr
+        %th ID
+        %th Title
+        %th Speaker(s)
+        %th Requirements
+        %th Room
+        %th Date
+        %th Time
     %tbody
       - @events_with_requirements.each do |event|
         %tr

app/views/admin/reports/_events_without_commercials.html.haml

@@ -9,9 +9,10 @@
 .col-md-12
   %table.datatable
     %thead
-      %th ID
-      %th Title
-      %th Speaker(s)
+      %tr
+        %th ID
+        %th Title
+        %th Speaker(s)
     %tbody
       - @events_missing_commercial.each do |event|
         %tr

app/views/admin/reports/_missing_speakers.html.haml

@@ -9,12 +9,13 @@
 .col-md-12
   %table.datatable
     %thead
-      %th Speaker Name
-      %th Registered?
-      %th Event
-      %th Room
-      %th Date
-      %th Time
+      %tr
+        %th Speaker Name
+        %th Registered?
+        %th Event
+        %th Room
+        %th Date
+        %th Time
     %tbody
       - @missing_event_speakers.each do |event_user|
         - speaker = event_user.user