[accessibility-guide] Update the revision history. Thanks to Kendell for all of the content updates

[Ben Cotton]

commit 1a0b95c686e56df8494850290337bc958595c898
Author: Ben Cotton <bcotton at funnelfiasco.com>
Date:   Fri Apr 10 22:26:23 2015 -0400

    Update the revision history. Thanks to Kendell for all of the content updates

 en-US/Revision_History.xml |   14 ++++++++++++++
 1 files changed, 14 insertions(+), 0 deletions(-)
---
diff --git a/en-US/Revision_History.xml b/en-US/Revision_History.xml
index 892529e..6bdaf91 100644
--- a/en-US/Revision_History.xml
+++ b/en-US/Revision_History.xml
@@ -6,6 +6,20 @@
   <simpara>
     <revhistory>
     <revision>
+        <revnumber>0.16-1</revnumber>
+        <date>Fri Apr 10 2015</date>
+        <author>
+          <firstname>Kendell</firstname>
+          <surname>Clark</surname>
+          <email>coffeekingms at gmail.com</email>
+        </author>
+        <revdescription>
+          <simplelist>
+            <member>Altered most of the sections to include information on installing software in GNOME Shell, as well as updated information on how orca is started in the GNOME Shell.</member>
+          </simplelist>
+        </revdescription>
+    </revision>
+    <revision>
         <revnumber>0.15-1</revnumber>
         <date>Sun Mar 23 2014</date>
         <author>