changelog: ``qisrc status`` displays ahead/behind
changelog: ``qisrc status`` displays ahead/behind

This documents the change introduced by commit
9043c25b69c3c4bfa10fcde207d78f78f03edca4

Change-Id: I51c9e3f30a17097c2702e7bf824e09dab0477873
Reviewed-on: http://gerrit.aldebaran.lan/62030
Tested-by: gerrit
Reviewed-by: dmerejkowsky <1e4b13000fa8777df4cefd2fd8215187e3deb062@aldebaran-robotics.com>

aldebaran/qibuild,aldebaran/qibuild,aldebaran/qibuild,aldebaran/qibuild