Do not theme jqplot

app/views/rb_master_backlogs/show.html.erb

@@ -2,7 +2,8 @@
 <%- content_for :head_tags do %>
   <script type="text/javascript" src="<%= url_for(:controller => 'rb_server_variables', :action => 'show', :id => @project.id, :format => :js) %>"></script>
   <%= javascript_include_tag    'master_backlog', 'backlog', 'model', 'sprint', 'issue', 'story', 'board_updater', 'master_backlog_updater', :plugin => 'redmine_backlogs' %>
-  <%= theme_stylesheet_link_tag 'jqplot.css', 'master_backlog.css' %>
+  <%= stylesheet_link_tag 'jqplot.css', :plugin => 'redmine_backlogs' %>
+  <%= theme_stylesheet_link_tag 'master_backlog.css' %>
 <%- end %>
 
 <%- content_for :breadcrumbs do %>

app/views/rb_taskboards/show.html.erb

@@ -1,6 +1,7 @@
 <!-- TASKBOARD VIEW -->
 <% content_for :head_tags do %>
   <%= javascript_include_tag  'show_main', 'board_updater', 'taskboard_updater', 'taskboard', 'model', 'issue', 'task', 'impediment', :plugin => 'redmine_backlogs' %>
+  <%= stylesheet_link_tag 'jqplot.css', :plugin => 'redmine_backlogs' %>
   <%= theme_stylesheet_link_tag 'taskboard.css' %>
   <script type="text/javascript" src="<%= url_for(:controller => 'rb_server_variables', :action => 'show', :project_id => @project.id, :sprint_id => @sprint.id) %>"></script>
 <% end %>