Clear up logged out and old sessions

[broadcaster] / server / templates / radios.html

      <h1>Radios</h1>
      <ul>
      {{range .Radios}}
        <li><b>{{.Name}}</b> {{.Token}} <a href="/radios/{{.Id}}">(Edit)</a></li>
      {{end}}
      </ul>
      <p><a href="/radios/new">Register New Radio</a></p>