Fixed layout.

Author: Florian Lautenschlager

_includes/publications.html

@@ -42,7 +42,7 @@ <h4>2016</h4>
                         <a href="https://speakerdeck.com/florian_lautenschlager/chronix-a-fast-and-efficient-time-series-storage-based-on-apache-solr">Slides</a>
                     </li>
                 </ul>
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+                <br>
                 <h4>2015</h4>
                 <ul>
                     <li>Fast and efficient operational time series storage: The missing link in dynamic software