update changelog for inclusion of trac 181 (python wrappers)

git-svn-id: svn://bind10.isc.org/svn/bind10/trunk@2372 e5f2f494-b856-4b98-b285-d166d9295462

ChangeLog

@@ -1,3 +1,11 @@
+
+  69.  [func]	    jelte
+	Added python wrappers for libdns++ (isc::dns), and libxfr. This
+	removes the dependency on Boost.Python. The wrappers don't
+	completely implement all functionality, but the high-level API
+	is wrapped, and current modules use it now.
+	(Trac #181, svn r2361)
+
   68.  [func]	    zhanglikun
 	Add options -c(--certificate-chain) to bindctl. Override class
 	HTTPSConnection to support server certificate validation.