[kea-0.9.2-beta] ChangeLog and configure.ac updated

ChangeLog

@@ -1,3 +1,5 @@
+Kea 0.9.2-beta released on June 30, 2015
+
 967.	[doc]		tomek
 	Management API section added in the DHCPv6 chapter of the Kea
 	User's Guide

configure.ac

@@ -7,7 +7,7 @@ AC_PREREQ([2.59])
 # For GIT versions, this is x.y.z-git, where x.y.z denotes the software
 # version that was used as a base + changes that were made later, but
 # are not released yet.
-AC_INIT(kea, 0.9.1-git, kea-dev@lists.isc.org)
+AC_INIT(kea, 0.9.2-beta, kea-dev@lists.isc.org)
 AC_CONFIG_SRCDIR(README)
 
 # serial-tests is not available in automake version before 1.13, so