story #7324: Git admin have a new tab in git repo settings to enable mirroring

Change-Id: I6e3c96c05133baa467ac942e248ff2d97c8e279d
Merge commit 'refs/changes/89/3089/2' of ssh://gerrit.tuleap.net:29418/tuleap into tuleap-stable-master

* ssh://gerrit.tuleap.net:29418/tuleap:
  story #7324: Git admin have a new tab in git repo settings to enable mirroring

Conflicts:
	plugins/git/include/autoload.php

Change-Id: I001a5acccab767afaeb7034d9c2a362371b9e29a
Tuleap 7.5.99.44

Change-Id: Ib5abc8b2d39d4321fca9bdef26ccff830baf7b49