tasks #6898 - Restrict feature to Lab Mode

Change-Id: Iad0cd4547a6516328e4460cdfb2da1463bed5eaf
Merge commit 'refs/changes/87/2487/1' of ssh://gerrit.tuleap.net:29418/tuleap into HEAD

* ssh://gerrit.tuleap.net:29418/tuleap:
  tasks #6898 - Restrict feature to Lab Mode

Change-Id: I2a0a7761a01f12db2e43d189e3cf02a7a4df3849
This is Tuleap 7.0.99.39

Change-Id: I62d8c5659fc872f1a1505b642bf1b6bb538b1cee