request #6640 - Javascript error when creating a new artifact

Change-Id: Ie191b821986de600d51c65bd21e9b02742e2ce69
Merge commit 'refs/changes/53/2253/1' of ssh://gerrit.tuleap.net:29418/tuleap into tuleap-stable-master

* ssh://gerrit.tuleap.net:29418/tuleap:
  request #6640 - Javascript error when creating a new artifact

Change-Id: Ie2f6b4056e1a9ed3eab0b0bf2ee89a7bcb373601
Tuleap 6.12.99.17

Change-Id: I160c592a7de9ac948203076dfbf724eb78d1ed8a