Adding id attribute to modules field set on project form.

app/views/projects/_form.rhtml

@@ -24,7 +24,7 @@
 </div>
 
 <% if @project.new_record? %>
-<fieldset class="box"><legend><%= l(:label_module_plural) %></legend>
+<fieldset class="box" id="project_modules"><legend><%= l(:label_module_plural) %></legend>
 <% Redmine::AccessControl.available_project_modules.each do |m| %>
     <label class="floating">
     <%= check_box_tag 'project[enabled_module_names][]', m, @project.module_enabled?(m), :id => "project_enabled_module_names_#{m}" %>