Fix request #5326 : Cloning a project without Mediawiki service enabled does not create the Mediawiki database

Change-Id: Ic110f06264a54e196a29193770e30d35ae1a2f38
Merge commit 'refs/changes/96/1096/1' of ssh://gerrit.tuleap.net:29418/tuleap into stable

* ssh://gerrit.tuleap.net:29418/tuleap:
  Fix request #5326 : Cloning a project without Mediawiki service enabled does not create the Mediawiki database

Change-Id: Ib6035f510f33747834f5ef7c34ecd7f2c862b4f6
This is Tuleap 6.5.99.37

Change-Id: I416b98036bb255633158255663fe2c8fcd2b0094