Add a new Report Item
<% form_for :report_item, @report_item, :url => mg_report_report_items_url(:report_id => @report.id), :html => { :method => :post, :class => "remote-form report-item", :'data-res' => ".report-items-model .model" } do |f| %>
<%= f.error_messages %> <%= render :partial => 'mg/report_items/report_item_form', :locals => { :f => f } %>
<%= f.submit 'Save', :class => 'bluebutton' %>
<% end %>