Updated NEWS and version to 1.3.0-rc2

NEWS

 Knot DNS NEWS
 
+v1.3.0-rc2 - Jun 14, 2013
+
+-------------------------
+
+Bugfixes:
+	* Label compression related bug
+	* Proper resolution of some CNAME chains
+	* Unstable response rate in rare cases
+	* Several log messages
+
 v1.3.0-rc1 - Jun 4, 2013
 ---------------------------
 

configure.ac

 #                                               -*- Autoconf -*-
 
 AC_PREREQ([2.60])
-AC_INIT([knot], [1.3.0-rc1], [knot-dns@labs.nic.cz])
+AC_INIT([knot], [1.3.0-rc2], [knot-dns@labs.nic.cz])
 AM_INIT_AUTOMAKE([gnits subdir-objects dist-bzip2 dist-xz -Wall -Werror])
 AM_SILENT_RULES([yes])
 AC_CONFIG_SRCDIR([src/knot/main.c])