Updated NEWS, KNOWN_ISSUES and configure.ac with 1.5.0-rc3

KNOWN_ISSUES

@@ -5,4 +5,3 @@ Here is a list of the most notable features that are not supported in the
 current version of Knot.
 
 * Other DNS classes than IN, partially CH (CS, HS)
-* UPDATE message forwarding (RFC2136) not implemented

NEWS

 Knot DNS NEWS
+1.5.0-rc2 - Jul ??, 2014
+-----------------------
+Features:
+	* DDNS forwarding reimplemented
+Improvements:
+	* Transfer sizes logged in bytes if needed
+	* Logging outgoing NOTIFY messages
+Bugfixes:
+	* Zone flush planning after bootstrap
+	* Incorrect incoming AXFR message sizes
+	* DDNS signing changes were freed too soon, posibility of stale data
+	* knotc remote control key handling
 
 1.5.0-rc2 - Jun 18, 2014
 -----------------------

configure.ac

 #                                               -*- Autoconf -*-
 
 AC_PREREQ([2.60])
-AC_INIT([knot], [1.5.0-rc2], [knot-dns@labs.nic.cz])
+AC_INIT([knot], [1.5.0-rc3], [knot-dns@labs.nic.cz])
 AM_INIT_AUTOMAKE([gnits subdir-objects dist-xz -Wall -Werror])
 AM_SILENT_RULES([yes])
 AC_CONFIG_SRCDIR([src/knot/main.c])