Some fixes.

_includes/nav.html

@@ -2,7 +2,7 @@
 <nav class="navbar navbar-default navbar-fixed-top">
 
     <div class="ribbon">
-        <a href="https://github.com/chronixDB">Fork me on GitHub</a>
+        <a href="https://github.com/chronixDB">Star me on GitHub</a>
     </div>
 
     <div class="container">

_includes/publications.html

@@ -16,8 +16,9 @@ <h2>Publications</h2>
                 <h4>2017</h4>
                 <ul>
                     <li>Chronix: Long Term Storage and Retrieval Technology for Anomaly Detection in Operational Data, FAST, 2017
-                        <a href="https://www.usenix.org/sites/default/files/conference/protected-files/fast17_slides_lautenschlager.pdf">Slides</a>
+                        <a href=https://speakerdeck.com/florian_lautenschlager/chronix-long-term-storage-and-retrieval-technology-for-anomaly-detection-in-operational-data>Slides</a>
                         <a href="https://www.usenix.org/system/files/conference/fast17/fast17-lautenschlager.pdf">Paper</a>
+                        <a href="https://github.com/ChronixDB/chronixDB.github.io/blob/master/pdf/chronix-poster-fast.pdf">Poster</a>
                     </li>
                 </ul>
                 <br>