[Doc]: Update intro.sgml and RN

Author: dmpgpro

doc/src/sgml/intro.sgml

@@ -260,6 +260,32 @@
     <listitem>
       <simpara>Utility <link linkend="app-pgrepack"><application>pg_repack</application></link> has been added</simpara>
     </listitem>
+    <listitem>
+      <simpara>Added <application>multimaster</application> extension. (See <xref linkend="multimaster">.)</simpara>
+    </listitem>
+    <listitem>
+      <simpara>Added failover algorithm for <application>libpq</application> connections.</simpara>
+    </listitem>
+    <listitem>
+      <simpara>Added <application>aqo</application> extension for
+        adaptive query optimization. (See <xref linkend="aqo">.) </simpara>
+    </listitem>    
+    <listitem>
+      <simpara>Implemented declarative syntax for
+        partitioning. (See <xref linkend="pg-pathman-using-declarative-syntax">.)</simpara>
+    </listitem>
+    <listitem>
+      <simpara>Added <application>mamonsu</application> monitoring
+        service, which is implemented as a <application>Zabbix</application>
+        agent. (See <xref linkend="mamonsu">.)</simpara>
+    </listitem>
+    <listitem>
+      <simpara>Added <application>pg_wait_sampling</application>
+        extension for sampling-based statistics of wait events.  With this
+        extension, you can get an insight into the server activity,
+        including the current wait events for all processes and background
+        workers. (See <xref linkend="pg-wait-sampling">.)</simpara>
+    </listitem>
    </itemizedlist>
   </para>
 

doc/src/sgml/release-proee-9.6.sgml

@@ -3,7 +3,7 @@
   <title>&productname; 9.6.2.1</title>
   <note>
     <title>Release Date</title>
-    <simpara>2017-03-__</simpara>
+    <simpara>2017-03-24</simpara>
   </note>
   <sect2>
     <title>Overview</title>
@@ -13,9 +13,8 @@
     <para>Major enhancements over <productname>Postgres Pro Enterprise</productname>
       9.6.1.2 include:</para>
     <itemizedlist>
-      <!-- Waiting for merge of multimaster:
       <listitem><para>Added <application>multimaster</application>
-      extension. With this extension, you can turn a
+          extension. With this extension, you can turn a
           <productname>PostgreSQL</productname> master-slave cluster into a
           shared-nothing cluster with synchronous multi-master
           replication. Such a cluster provides <acronym>OLTP</acronym>
@@ -25,7 +24,6 @@
           upgrades. (See <xref linkend="multimaster">.)</para>
       </listitem>
       <listitem><para>Added failover algorithm for <application>libpq</application> connections.</para></listitem>
-      -->
       <listitem><para>Added <application>aqo</application> extension for
           adaptive query optimization. Based on the collected statistics on
           query execution, <application>aqo</application> improves cardinality