Updating CHANGES and versioning for 0.9.0 release.



git-svn-id: https://svn.apache.org/repos/asf/thrift/branches/0.9.x@1397283 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/configure.ac b/configure.ac
index 43904ef..25f4e36 100755
--- a/configure.ac
+++ b/configure.ac
@@ -19,7 +19,7 @@
 
 AC_PREREQ(2.65)
 
-AC_INIT([thrift], [0.9.0-dev])
+AC_INIT([thrift], [0.9.0])
 
 AC_CONFIG_AUX_DIR([.])