[#4327] Added the Deliverable field to the bulk edit.

app/views/issues/_bulk_edit_deliverable.html.erb

@@ -0,0 +1,14 @@
+<% if project.module_enabled?(:contracts) %>
+  <p>
+    <%= label_tag(:deliverable_id, l(:field_deliverable)) %>
+    <% options = project.contracts.inject([]) {|data, contract|
+         data << [contract.name, contract.deliverables.collect {|d| [d.title, d.id]} ]
+       } %>
+
+    <%= select_tag('deliverable_id',
+                   content_tag('option', l(:label_no_change_option), :value => '') +
+                   content_tag('option', l(:label_none), :value => 'none') +
+                   grouped_options_for_select(options)) %>
+  </p>
+<% end %>
+