story #5993: import permissions on artifacts from tv3 to tv5

Change-Id: Ia43de7fa20ed5a454a80ae74a10bb466fb89ddb7
Merge commit 'refs/changes/67/2067/4' of ssh://gerrit.tuleap.net:29418/tuleap into tuleap-stable-master

* ssh://gerrit.tuleap.net:29418/tuleap:
  story #5993: import permissions on artifacts from tv3 to tv5

Change-Id: Ic41db3fdf5956e93e991fca99a4243fde72253a0
Tuleap 6.11.99.24

Change-Id: I389caa571f2902622837d698602fa023a8a75a91