Bump version to 2.2.0~rc0

Signed-off-by: Iustin Pop <iustin@google.com>
Reviewed-by: Michael Hanselmann <hansmi@google.com>

NEWS

@@ -4,7 +4,7 @@ News
 Version 2.2.0 rc0
 -----------------
 
-*(UNRELEASED)*
+*(Released Fri, 30 Jul 2010)*
 
 Important change: the internal RPC mechanism between Ganeti nodes has
 changed from using a home-grown http library (based on the Python base

configure.ac

@@ -2,7 +2,7 @@
 m4_define([gnt_version_major], [2])
 m4_define([gnt_version_minor], [2])
 m4_define([gnt_version_revision], [0])
-m4_define([gnt_version_suffix], [~beta0])
+m4_define([gnt_version_suffix], [~rc0])
 m4_define([gnt_version_full],
           m4_format([%d.%d.%d%s],
                     gnt_version_major, gnt_version_minor,