NEWS and version update.

NEWS

+Version 1.3.1 (2011-05-02)
+  o Added Linux kernel route attributes krt_prefsrc and krt_realm.
+  o Added BGP option 'med metric' related to MED handling.
+  o Allows to use constants from /etc/iproute2/rt_* files.
+  o Several bugfixes.
+
 Version 1.3.0 (2011-03-31)
   o Proper iBGP (can be used with IGP).
   o Multipath support (OSPF and static).

misc/bird.spec

 Summary: BIRD Internet Routing Daemon
 Name: bird
-Version: 1.3.0
+Version: 1.3.1
 Release: 1
 Copyright: GPL
 Group: Networking/Daemons

sysdep/config.h

@@ -7,7 +7,7 @@
 #define _BIRD_CONFIG_H_
 
 /* BIRD version */
-#define BIRD_VERSION "1.3.0"
+#define BIRD_VERSION "1.3.1"
 
 /* Include parameters determined by configure script */
 #include "sysdep/autoconf.h"