Bump version to 2.2.1, update NEWS

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

NEWS

 News
 ====
 
+Version 2.2.1
+-------------
+
+*(Released Tue, 19 Oct 2010)*
+
+- Disable SSL session ID cache in RPC client
+
+
 Version 2.2.1 rc1
 -----------------
 
@@ -14,6 +22,7 @@ Version 2.2.1 rc1
 - Improve our release script to prevent breakage with older aclocal and
   Python 2.6
 
+
 Version 2.2.1 rc0
 -----------------
 

configure.ac

@@ -2,7 +2,7 @@
 m4_define([gnt_version_major], [2])
 m4_define([gnt_version_minor], [2])
 m4_define([gnt_version_revision], [1])
-m4_define([gnt_version_suffix], [~rc1])
+m4_define([gnt_version_suffix], [])
 m4_define([gnt_version_full],
           m4_format([%d.%d.%d%s],
                     gnt_version_major, gnt_version_minor,