Updating overview requirements with note about required permissions

This is a late comment from the code review of adding the "Permissions
needed by the Adaptor" section.
diff --git a/lib/plexi b/lib/plexi
index 97c617d..83f9672 160000
--- a/lib/plexi
+++ b/lib/plexi
@@ -1 +1 @@
-Subproject commit 97c617d0cfd8713e8a4d7fbbe61bc6b3ebf2c3fd
+Subproject commit 83f9672fc2b5462bc6a1c3dcf9b82d1326163987
diff --git a/src/overview.html b/src/overview.html
index 4fff36b..bd158d4 100644
--- a/src/overview.html
+++ b/src/overview.html
@@ -10,6 +10,8 @@
   <li>Java JRE 1.7 update 6 or higher installed on computer that runs adaptor
   <li>File System Adaptor JAR executable
   <li>Requires running on Microsoft Windows
+  <li>A Windows account with sufficient permissions for the adaptor
+      (see the <b>Permissions needed by the Adaptor</b> section below)
 </ul>
 
 <h4>Permissions needed by the Adaptor</h4>