def new
      @yml_file = Cmtool::YmlFile.new

      respond_to do |format|
        format.html # new.html.erb
        format.xml  { render :xml => @yml_file }
      end
    end
def new
      @yml_file = Cmtool::YmlFile.new

      respond_to do |format|
        format.html # new.html.erb
        format.xml  { render :xml => @yml_file }
      end
    end
GET /yml_files/new
 GET /yml_files/new.xml