Fix request #5704 - Pushing GIT repo take a very long time

Change-Id: Ib9e498344fb57e5d7c46e42937a6dc54b2c5494a
Merge commit 'refs/changes/53/1553/3' of http://gerrit.tuleap.net/tuleap into tuleap-stable-master

* http://gerrit.tuleap.net/tuleap:
  Fix request #5704 - Pushing GIT repo take a very long time

Change-Id: Iaffa67b525b105dfdce850edb4070882604cc1c6
Tuleap 6.7.99.41

Change-Id: I626f85b69c91ff804494271b8f831a76633de628