include_required_js (Merb::AssetsMixin)

    # File lib/merb-assets/assets_mixin.rb, line 361
        def include_required_js(options = {})
          return '' if @required_js.nil? || @required_js.empty?
          @required_js.map do |req_js|
            if req_js.last.is_a?(Hash)
              js_include_tag(*(req_js[0..-2] + [options.merge(req_js.last)]))
            else
              js_include_tag(*(req_js + [options]))
            end
          end.join
        end