message: Fix regression when showing versions in dropdown
  Closes
diff: <li class="pure-menu-item">
  <div class="pure-menu pure-menu-scrollable sub-menu">
  <ul class="pure-menu-list">
  - {{#each versions}}
  - <li class="pure-menu-item"><a href="/crate/{{../name}}/{{this}}" class="pure-menu-link">{{this}}</a></li>
  + {{#each releases}}
  + <li class="pure-menu-item"><a href="/crate/{{../name}}/{{this.version}}" class="pure-menu-link">{{this.version}}</a></li>
  {{/each}}
  </ul>
  </div>
  