fixed similarity tutorial and started changing syntax of files

Author: johndoe12312

docs/generated-html/cooccurrences-computer-en.html

@@ -474,7 +474,7 @@ <h1>Creating a network from a table of cooccurring items</h1>
 <div id="preamble">
 <div class="sectionbody">
 <div class="paragraph">
-<p>last modified: 2019-07-12</p>
+<p>last modified: 2019-07-13</p>
 </div>
 <div class="imageblock text-center">
 <div class="content">
@@ -566,9 +566,9 @@ <h2 id="_installing_the_plugin">Installing the plugin</h2>
 </div>
 <div class="imageblock text-center">
 <div class="content">
-<img src="../images/Install-the-plugin-and-restart-Gephi.png" alt="Install the plugin and restart Gephi">
+<img src="../images/Install-the-plugin-Convert-Excel-and-Csv-files-and-restart-Gephi.png" alt="Install the plugin Convert Excel and Csv files and restart Gephi">
 </div>
-<div class="title">Figure 5. Install the plugin and restart Gephi</div>
+<div class="title">Figure 5. Install the plugin Convert Excel and Csv files and restart Gephi</div>
 </div>
 <div class="paragraph">
 <p>&#160;<br></p>
@@ -822,7 +822,7 @@ <h2 id="_the_end">The end</h2>
 <div id="footer">
 <div id="footer-text">
 Version 1.0<br>
-Last updated 2019-07-12 19:05:35 +0200
+Last updated 2019-07-13 00:49:21 +0200
 </div>
 </div>
 </body>