Bump version for 2.4.1 release

Signed-off-by: Iustin Pop <iustin@google.com>
Reviewed-by: René Nussbaumer <rn@google.com>

NEWS

 News
 ====
 
+Version 2.4.1
+-------------
+
+*(Released Wed, 09 Mar 2011)*
+
+Emergency bug-fix release. ``tools/cfgupgrade`` was broken and overwrote
+the RAPI users file if run twice (even with ``-dry-run``).
+
+The release fixes that bug (nothing else changed).
+
+
 Version 2.4.0
 -------------
 

configure.ac

 # Configure script for Ganeti
 m4_define([gnt_version_major], [2])
 m4_define([gnt_version_minor], [4])
-m4_define([gnt_version_revision], [0])
+m4_define([gnt_version_revision], [1])
 m4_define([gnt_version_suffix], [])
 m4_define([gnt_version_full],
           m4_format([%d.%d.%d%s],