Bumped version to 1.4.0

NEWS

 Knot DNS NEWS
 
+v1.4.0 - Dec 27, 2013
+---------------------
+Features:
+	* Zone SERIAL policies (INCREMENT, UNIXTIME)
+Bugfixes:
+	* AXFR crash with specific packet 
+	* QNAME case-sensitive since 1.4.0-rc0
+	* DNSSEC records over DDNS
+	* Semantic check fail in AXFR is only soft-error
+	* Journal race condition
+	* Notifies are sent immediately
+
 v1.4.0-rc2 - Dec 13, 2013
 -------------------------
 Features:

configure.ac

 #                                               -*- Autoconf -*-
 
 AC_PREREQ([2.60])
-AC_INIT([knot], [1.4.0-rc2], [knot-dns@labs.nic.cz])
+AC_INIT([knot], [1.4.0], [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])