prepare 0.16-alpha2 release

autogen.sh

 #!/usr/bin/env bash
-  gajimversion="0.16-alpha1"
+  gajimversion="0.16-alpha2"
   if [ -d ".hg" ]; then
     node=$(hg  tip --template "{node}")
     hgversion="-${node:0:12}"

debian/changelog

+gajim (0.16~alpha2-1) unstable; urgency=low
+
+  * New upstream release
+
+ -- Yann Leboulanger <yann@leboulanger.org>  Sun, 28 Jul 2013 13:29:41 +0200
+
 gajim (0.16~alpha1-1) unstable; urgency=low
 
   * New upstream release

setup_win32.py

@@ -51,7 +51,7 @@
 
 setup(
     name='Gajim',
-    version='0.15.1',
+    version='0.16',
     description='A full featured Jabber client',
     author='Gajim Development Team',
     url='http://gajim.org/',

src/common/defs.py

@@ -27,7 +27,7 @@
 basedir   = '../'
 localedir = '../po'
 
-version = '0.16-alpha1'
+version = '0.16-alpha2'
 import subprocess
 try:
     node = subprocess.Popen('hg tip --template "{node|short}"', shell=True,