adjusted release notes for error bar visualization in DataMining

Change-Id: I790018760616dbcad9784763bd9a879623a56dd0

java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/home/desktop/places/whatsnew/resources/SailingAnalyticsNotes.html

@@ -4,6 +4,14 @@
 <div id="mainContent">
     <h4 class="articleHeadline">What's New - SAP Sailing Analytics</h4>
     <div class="innerContent">
+        <h5 class="articleSubheadline">October 2017</h5>
+        <ul class="bulletList">
+           <li>The <tt>DataMining.html</tt> module now offers an additional chart type with error bars. This currently
+               shows minimum and maximum values for averages, and the tool tip visualizes those numerically, together
+               with the number of elements from which the average was drawn.
+           </li>
+        </ul>
+        
         <h5 class="articleSubheadline">September 2017</h5>
         <ul class="bulletList">
            <li>The system will now detect "anniversary races" and show those on the start page.