NEWS and version update

NEWS

+Version 1.6.1 (2016-09-22)
+  o Support for IPv6 ECMP
+  o Better handling of IPv6 tentative addresses
+  o Several updates and fixes in Babel protocol
+  o Filter: New !~ operator
+  o Filter: ASN ranges in bgpmask
+  o KRT: New kernel protocol option 'metric'
+  o KRT: New route attribute 'krt_scope'
+  o Improved BIRD help messages
+  o Fixes memory leak in BGP multipath
+  o Fixes handling of empty path segments in BGP AS_PATH
+  o Several bug fixes
+
 Version 1.6.0 (2016-04-29)
   o Major RIP protocol redesign
   o New Babel routing protocol

misc/bird.spec

 Summary: BIRD Internet Routing Daemon
 Name: bird
-Version: 1.6.0
+Version: 1.6.1
 Release: 1
 Copyright: GPL
 Group: Networking/Daemons

sysdep/config.h

@@ -7,7 +7,7 @@
 #define _BIRD_CONFIG_H_
 
 /* BIRD version */
-#define BIRD_VERSION "1.6.0"
+#define BIRD_VERSION "1.6.1"
 
 /* Include parameters determined by configure script */
 #include "sysdep/autoconf.h"