Clean up a bit to improve readibility and how the guide is embedded in the

documents. I also asked AMK for relicensing the guide to us to make it fit
into the repository rules.

documentation/guide/index.rst

-******************************
-  ZODB/ZEO Programming Guide  
-******************************
+======================
+ZODB programming guide
+======================
 
-:Author: A.M. Kuchling
 
-:Date: |today|
-
-.. |release| replace:: 3.7.0b3
-
-©Copyright 2002 A.M. Kuchling. Permission is granted to copy, distribute
-and/or modify this document under the terms of the GNU Free Documentation
-License, Version 1.1 or any later version published by the Free Software
-Foundation; with no Invariant Sections, no Front-Cover Texts, and no
-Back-Cover Texts. A copy of the license is included in the appendix entitled
-"GNU Free Documentation License".
+    This guide is based heavily on the work of A. M. Kuchling who wrote the
+    original guide back in 2002 and which was published under the GNU Free
+    Documentation License, Version 1.1. See the appendix entitled "GNU Free
+    Documentation License" for more information.
 
 Contents
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