Prepare release 0.3.

CHANGES.txt

-0.3 (unreleased)
+0.3 (2011-06-14)
 ================
 
- * No changes yet.
+ * slap: Implement SLA by filter_kw in OpenOrder.request. [Łukasz Nowak]
+ * slap: Timeout network operations. [Łukasz Nowak]
+ * slapformat: Make slapsoft and slapuser* system users. [Kazuhiko Shiozaki]
+ * slapgrid: Add more tolerance with supervisord. [Łukasz Nowak]
 
 0.2 (2011-06-01)
 ================

setup.py

@@ -2,7 +2,7 @@ from setuptools import setup, find_packages
 import glob
 import os
 
-version = '0.3-dev'
+version = '0.3'
 name = 'slapos.core'
 long_description = open("README.txt").read() + "\n" + \
     open("CHANGES.txt").read() + "\n"