Prep 2.0 release.

CHANGES.txt

 ``zodburi`` Changelog
 =====================
 
-Unreleased
-----------
+2.0 (2014-01-05)
+----------------
 
 - Update ``ZODB3`` meta-package dependency to ``ZODB`` + ``ZConfig`` + ``ZEO``.
   Those releases are what we import, and have final Py3k-compatible releases.

setup.py

@@ -23,7 +23,7 @@ testing_extras = tests_require + ['nose', 'coverage']
 docs_extras = tests_require + ['Sphinx']
 
 setup(name='zodburi',
-      version='2.0b1',
+      version='2.0',
       description=('Construct ZODB storage instances from URIs.'),
       long_description=README + '\n\n' +  CHANGES,
       classifiers=[