Mention gwtorm and gwtjsonrpc updates in 2.9 release notes

Change-Id: I61dc627459380b4c2fb8b3b658967c422a37dce6

ReleaseNotes/ReleaseNotes-2.9.txt

diff --git a/ReleaseNotes/ReleaseNotes-2.9.txt b/ReleaseNotes/ReleaseNotes-2.9.txt
index 174cdef..c0e2fcb 100644
--- a/ReleaseNotes/ReleaseNotes-2.9.txt
+++ b/ReleaseNotes/ReleaseNotes-2.9.txt
@@ -83,3 +83,10 @@
 
 * The number of accounts shown on the 'Become Any Account' login
 screen is increased from 5 to 100.
+
+
+Upgrades
+--------
+
+* Update gwtjsonrpc to 1.4
+* Update gwtorm to 1.8