Reworked docs in preparation for release.

doc/zodb-guide.txt

-The ZODB/ZEO Programming Guide has been moved into it's own package
-(zodbguide) and published at http://docs.zope.org/zodb.

setup.py

@@ -37,6 +37,12 @@ Operating System :: Unix
 Framework :: ZODB
 """
 
+def _modname(path, base, name=''):
+    if path == base:
+        return name
+    dirname, basename = os.path.split(path)
+    return _modname(dirname, base, basename + '.' + name)
+
 def alltests():
     import logging
     import pkg_resources