segmenter_page (html, css): move the reference to a less intrusive place

browser/css/segmenter_page.css

@@ -1952,13 +1952,6 @@ textarea {
   float: right;
   padding: 0.4% 1.4%;
 }
-#copyright {
-  font-size: 0.7em;
-  position: absolute;
-  bottom: 0.4%;
-  right: 1.2%;
-  text-align: right;
-}
 .vidjil_view {
   border-radius: 0.1em;
   /*border: 1px solid silver;*/

browser/segmenter_page.html

@@ -19,7 +19,7 @@
             <h1 id="app_title">Vidjil</h1>
             <h2 id="tool_title">V(D)J analysis tool</h2>
 
-            <p>This tool quickly checks the V(D)J designation of a small number of sequences with (possibly incomplete) V(D)J recombinations. To analyze complete NGS RepSeq datasets, use the <a href="http://app.vidjil.org/">full Vidjil platform</a>.
+            <p>This tool quickly checks the V(D)J designation of a small number of sequences with (possibly incomplete) V(D)J recombinations. To analyze complete NGS RepSeq datasets, use the <a href="http://app.vidjil.org/">full Vidjil platform</a>. Reference: <a href="http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0166126">(Duez, 2016)</a>.
             </p>
         </header>
 
@@ -32,7 +32,6 @@
                         <button id="btn_exportfasta" class="btn_feature">Export results to FASTA</button>
                     </div>
                 </form>
-                <p id="copyright">reference: <a href="http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0166126">(Duez, 2016)</a></p>
             </div>
 
             <div id="scatter_panel" class="panel twopanels_right">