request #7613: FTS: timeout issue while re-indexing projects

Change-Id: I39eeefb379c2d30c88a8b1c8944423eb0f232f61
Merge commit 'refs/changes/26/3226/5' of ssh://gerrit.tuleap.net:29418/tuleap into stable

* ssh://gerrit.tuleap.net:29418/tuleap:
  request #7613: FTS: timeout issue while re-indexing projects
This is Tuleap 7.7.99.7

Change-Id: Iaf3dcb01ae7e6b20a93dfa3b60fe14b204dd885a