Add 3.1.1 changelog

Change-Id: Ifd9e3c96e0a8f1c3c1d7d20d25defc2547744f21
Reviewed-on: http://gerrit.aldebaran.lan/29924
Tested-by: gerrit
Reviewed-by: dmerejkowsky <dmerejkowsky@aldebaran-robotics.com>
qibuild v3.1.1

Change-Id: I57988bb010ff2bfb18123b4da2ed115a11db6171
Reviewed-on: http://gerrit.aldebaran.lan/29925
Tested-by: gerrit
Reviewed-by: dmerejkowsky <dmerejkowsky@aldebaran-robotics.com>
fix qibuild --version

Change-Id: Idb40bc8f61f68eebd8e696edae5cc994cfff1b8c
qisrc.sync: remove useless warning

Change-Id: I997c9b9b928bdd4d633db44783f4185553048a89
Reviewed-on: http://gerrit.aldebaran.lan/30032
Tested-by: gerrit
Reviewed-by: dmerejkowsky <dmerejkowsky@aldebaran-robotics.com>