tasks #6884: be able to choose the permission in the admin area

Change-Id: Ibfd509a1263b734da53df95601560cc8a60ef933
Merge commit 'refs/changes/46/2446/3' of ssh://gerrit.tuleap.net:29418/tuleap into HEAD

* ssh://gerrit.tuleap.net:29418/tuleap:
  tasks #6884: be able to choose the permission in the admin area

Change-Id: I28bfd77e672dc18c6d760e42a414ebf622ee804f
This is Tuleap 7.0.99.28

Change-Id: I2a07548d8a2e3fba44f6c4b66ac87b172f557927