Preparing for 2.5 final.

(damn, it's nice to see the line
  #define PY_VERSION              "2.5"
in patchlevel.h)
diff --git a/Lib/idlelib/NEWS.txt b/Lib/idlelib/NEWS.txt
index 74897fa..4f4115d 100644
--- a/Lib/idlelib/NEWS.txt
+++ b/Lib/idlelib/NEWS.txt
@@ -1,3 +1,8 @@
+What's New in IDLE 1.2?
+=======================
+
+*Release date: 19-SEP-2006*
+
 What's New in IDLE 1.2c2?
 =========================