add source to learning object view

app/views/learning_objects/show.html.erb

@@ -32,6 +32,15 @@
           <h3 class="media-heading"><%= @learning_object.get_metadata_value_of("dc.contributor.author") %></h3>
         </div>
       </div>
+      <div class="media">
+        <div class="media-left">
+          <a href="#"><img class="user-image-small" src="<%#= current_user.avatar.url(:thumb) %><%= asset_path('user-anon.png')%>" alt="Foto do usuário"/></a>
+        </div>
+        <div class="media-body">
+          <h5>Adicionado por</h5>
+          <h3 class="media-heading"><%= @learning_object.publisher.name %></h3>
+        </div>
+      </div>
       <div class="rating-panel">
         <% if user_signed_in? %>
           <div class="actions">