Merge pull request #387 from YaleSTC/386_print_payforms

Fixed printing payforms. Closes #386.

app/views/payforms/index.html.erb

@@ -37,6 +37,6 @@
 <br />
 <%= link_to "My Current Payform", go_payforms_path, class: "btn btn-default" %>
 <% if current_user.is_admin_of?(current_department) %>
-	<%= link_to "Print all approved payforms", create_payform_set_path, class: "btn btn-default" if @payforms.select{|p| p.approved  && !p.printed }.length > 0 %>
+	<%= link_to "Print all approved payforms", payform_sets_path, method: :post, class: "btn btn-default" if @payforms.select{|p| p.approved  && !p.printed }.length > 0 %>
 	<%= link_to "Prune all empty payforms", prune_payforms_path, method: :delete, class: "btn btn-default" %>
 <% end %>