Update 2.14.1 release notes

Mention the HTTP socket timeout setting that went into 2.14.1 after
being submitted on stable-2.13.

Change-Id: Ic99cae6783ca298b427766c07c8688c3b14a9787

releases/2.14.md

diff --git a/releases/2.14.md b/releases/2.14.md
index cfb63c7..b55ce20 100644
--- a/releases/2.14.md
+++ b/releases/2.14.md
@@ -300,6 +300,13 @@
   It is now possible to specify multiple values for
   [`httpd.filterClass`](http://gerrit-documentation.storage.googleapis.com/Documentation/2.14.1/config-gerrit.html#httpd.filterClass).
 
+* Allow to set Jetty HTTPD socket timeout.
+
+  A new setting [`httpd.idleTimeout`](http://gerrit-documentation.storage.googleapis.com/Documentation/2.14.1/config-gerrit.html#httpd.idleTimeout)
+  makes the Jetty HTTPD socket timeout configurable so to tailor the socket
+  and thread consumption to the needs of setups with different latencies and
+  bandwidth.
+
 * Add a `group indexed` extension point.
 
   Similar to the existing `change indexed` and `account indexed `extension points,