Bug 466829 - Upgrade platform.ua to Lucene 6.1.0

Updated recommendations documentation.

Change-Id: I2777f0c3918074425752697aa9606f90ba7b7aaf
Signed-off-by: Sopot Cela <scela@redhat.com>
diff --git a/bundles/org.eclipse.platform.doc.isv/porting/4.7/recommended.html b/bundles/org.eclipse.platform.doc.isv/porting/4.7/recommended.html
index af36d8e..0a44935 100644
--- a/bundles/org.eclipse.platform.doc.isv/porting/4.7/recommended.html
+++ b/bundles/org.eclipse.platform.doc.isv/porting/4.7/recommended.html
@@ -18,12 +18,26 @@
 </p>
 
 <ol>
-	<li>No entries.</li>
+	<li><a href="#Lucene_Index">Pre-built Lucene indexes should be updated</a></li>
 </ol>
 
 <hr>
 
 <!-- ############################################## -->
+<h2>1. <a name="Lucene_Index">Pre-built Lucene indexes should be updated</a></h2>
+<p><strong>What is affected:</strong> Clients supplying pre-built Lucene help indexes.
+</p>
+<p><strong>Description:</strong>
+We have updated the Apache Lucene search engine to Lucene 6.1.0. This means that the indexes 
+built with 3.5.0 will not be readable anymore. See <a href="https://lucene.apache.org/core/old_versioned_docs/versions/6_1_0/changes/Changes.html">
+Lucene Change Log</a> for details.
+</p>
+<p><strong>Action required:</strong>
+Clients should:
+</p>
+<ul>
+<li>Re-build their indexes with Lucene 6.1.0 and supply them as before</li>
+</ul>
 
 </body>
 </html>
diff --git a/bundles/org.eclipse.platform.doc.isv/reference/misc/overview-platform.html b/bundles/org.eclipse.platform.doc.isv/reference/misc/overview-platform.html
index cbb752f..37d8c74 100644
--- a/bundles/org.eclipse.platform.doc.isv/reference/misc/overview-platform.html
+++ b/bundles/org.eclipse.platform.doc.isv/reference/misc/overview-platform.html
@@ -37,11 +37,6 @@
     <td>&nbsp;</td>
   </tr>
   <tr>
-    <td><tt>org.apache.lucene[.*]</tt></td>
-    <td><tt>org.apache.lucene</tt></td>
-    <td>&nbsp;</td>
-  </tr>
-  <tr>
     <td><tt>org.eclipse.ant.core</tt></td>
     <td><tt>org.eclipse.ant.core</tt></td>
     <td>&nbsp;</td>