fix html display in task details

Author: azul

extensions/pages/task_list_page/app/helpers/task_list_page_helper.rb

@@ -150,7 +150,7 @@ def delete_task_edit_button(task)
   end
 
   def save_task_edit_button(task)
-    submit_tag :save.t
+    submit_tag :save_button.t
   end
 
   ###

extensions/pages/task_list_page/app/views/tasks/_inner_task_show.html.haml

@@ -6,7 +6,7 @@
 .task{id: "#{dom_id(task,'details')}", style: "display:none"}
   %table
     %tr
-      %td{colspan: "2"}= task.description_html
+      %td{colspan: "2"}= task.description_html.to_s.html_safe
     %tr
       %td Created: #{friendly_date(task.created_at)}
       %td   Completed: #{friendly_date(task.completed_at)}