# File lib/brakeman/report/report_html.rb, line 34
  def generate_overview
      locals = {
        :tracker => tracker,
        :warnings => all_warnings.length,
        :warnings_summary => warnings_summary,
        :number_of_templates => number_of_templates(@tracker),
        :ignored_warnings => ignored_warnings.length
        }

      Brakeman::Report::Renderer.new('overview', :locals => locals).render
  end