Merge pull request #2094 from seek4science/issue-2079

 add the ID attribute for each extended metadata attribute, so javascript can select the element

app/views/extended_metadata/_extended_metadata_fields.html.erb

@@ -1,5 +1,5 @@
 <% extended_metadata_type.extended_metadata_attributes.each do |attribute| %>
-  <div class="form-group">
+  <div id="<%= "wrapper-#{attribute.title.parameterize}" %>" class="form-group">
     <%= extended_metadata_form_field_for_attribute(attribute,resource, parent_resource) %>
     <% unless attribute.description.nil? %>
       <%= extended_metadata_attribute_description(attribute.description) %>