request #7330 - Replace legacy admin doc by new Sphinx one

Change-Id: If6ff355f39ce81c030418b85f328d6f6e5c7f6bb
request #7334: Force the display of the breadcrumb even if it is empty

This commit let some plugin developers to force the display of the
breadcrumbs bar. This is needed when we use a mv* javascript framework
that needs to update the breadcrumbs while browsing the inner app.

Change-Id: Ib6f8c8831c9a29f1160185bed4260931a2450b63
Merge commit 'refs/changes/74/2874/1' of ssh://gerrit.tuleap.net:29418/tuleap into HEAD

* ssh://gerrit.tuleap.net:29418/tuleap:
  request #7334: Force the display of the breadcrumb even if it is empty

Change-Id: Icba29114026478db783748babfe6fdcd49725599
This is Tuleap 7.3.99.47

Change-Id: Ic302d9a912d178b3878a16e7f9d15a69c63cbc3f
Merge commit 'refs/changes/32/2832/2' of ssh://gerrit.tuleap.net:29418/tuleap into HEAD

* ssh://gerrit.tuleap.net:29418/tuleap:
  request #7330 - Replace legacy admin doc by new Sphinx one

Change-Id: Ib1041c275e4542efeacd6d7e9747662562dabcdd
This is Tuleap 7.3.99.48

Change-Id: Ibd1e94b019602460f95a5ab360502704162b770e