Prepare 0.20 release.

CHANGES.txt

 Changes
 =======
 
-0.20 (unreleased)
+0.20 (2011-11-24)
 -----------------
 
- * No changes yet.
+ * slapgrid: Support service-less parttions. [Antoine Catton]
+ * slapgrid: Avoid gid collision while dropping privileges. [Antoine Catton]
+ * slapgrid: Drop down network usage during usage reporting. [Łukasz Nowak]
+ * general: Add sphinx documentation. [Romain Courteaud]
 
 0.19 (2011-11-07)
 -----------------

documentation/source/conf.py

@@ -45,9 +45,9 @@ copyright = u'2011, Vifib'
 # built documents.
 #
 # The short X.Y version.
-version = '0.20-dev'
+version = '0.20'
 # The full version, including alpha/beta/rc tags.
-release = '0.20-dev'
+release = '0.20'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.

setup.py

@@ -2,7 +2,7 @@ from setuptools import setup, find_packages
 import glob
 import os
 
-version = '0.20-dev'
+version = '0.20'
 name = 'slapos.core'
 long_description = open("README.txt").read() + "\n" + \
     open("CHANGES.txt").read() + "\n"