Work on test fixtures: - get rid both on bo and front of 2 fixtures files for documents - correct dl_fixtures to reflect this - upgrade mirage from 0.1.13 to 0.2.0 - download new version of documents fixtures including geo information

<div class="corpus-app-content">

  {{player-component action="changeDocument" document=currentItem}}

  <p><strong>{{ currentItem.title }}</strong></p>
  <p>{{doc-language url=currentItem.language}}</p>
</div>