[release-notes] Added section for Apache Ambari

[Simon Clark]

commit 65bedd93819f724b1dba2d92147ec7b64fae626f
Author: Simon Clark <simon.richard.clark at gmail.com>
Date:   Tue Oct 21 20:20:44 2014 +0100

    Added section for Apache Ambari

 en-US/Database_Servers.xml |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)
---
diff --git a/en-US/Database_Servers.xml b/en-US/Database_Servers.xml
index 72d2b30..c5f34c9 100644
--- a/en-US/Database_Servers.xml
+++ b/en-US/Database_Servers.xml
@@ -22,6 +22,16 @@
     <para>For more information see 
     <ulink url="https://accumulo.apache.org" />.</para>
   </section>
+  <section id="apache-ambari">
+    <title>Apache Ambari</title>
+    <para>The Apache Ambari project is aimed at making Hadoop
+    management simpler by developing software for provisioning,
+    managing, and monitoring Apache Hadoop clusters. Ambari
+    provides an intuitive, easy-to-use Hadoop management web UI
+    backed by its RESTful APIs.</para>
+    <para>For more information see 
+    <ulink url="http://ambari.apache.org/" />.</para>
+  </section>
   <section id="apache-hbase">
     <title>Apache HBase</title>
     <para>Apache HBase is Bigtable like data store, built on top of