request #6401: PUT /artifacts/:id issue with artifact links

Change-Id: I34bdde330a134ace1b141091d131e3ac72660070
Fix request request #6400 - REST route /tracker_reports/:id/artifacts has problems with pagination

Change-Id: I3ef0117c3ee3d602882a7ead209cc1270a301620
request #6371 - OPTIONS returns 404 for /artifacts/:id/changesets

Change-Id: I874e778d525e95f4ca36dbc47c8adeb649faba62
request #6343 - "fields" should be a JSON Array in GET /trackers/:id and GET /projects/:id/trackers

Change-Id: I05b1ece8752aa9eed30547ff15773f87152085dd
Merge commit 'refs/changes/45/2045/1' of ssh://gerrit.tuleap.net:29418/tuleap into tuleap-stable-master

* ssh://gerrit.tuleap.net:29418/tuleap:
  request #6401: PUT /artifacts/:id issue with artifact links

Change-Id: Ic0d66dc047c997b0bbbe808a1466df39583e2f09
Merge commit 'refs/changes/46/2046/1' of ssh://gerrit.tuleap.net:29418/tuleap into tuleap-stable-master

* ssh://gerrit.tuleap.net:29418/tuleap:
  Fix request request #6400 - REST route /tracker_reports/:id/artifacts has problems with pagination

Change-Id: I1b076a61d55d1769c07f5553397e768020883ed8
Merge commit 'refs/changes/47/2047/1' of ssh://gerrit.tuleap.net:29418/tuleap into tuleap-stable-master

* ssh://gerrit.tuleap.net:29418/tuleap:
  request #6371 - OPTIONS returns 404 for /artifacts/:id/changesets

Change-Id: I57ee288446159043dbe71b5b915d88ac27c825ee
Merge commit 'refs/changes/49/2049/2' of ssh://gerrit.tuleap.net:29418/tuleap into tuleap-stable-master

* ssh://gerrit.tuleap.net:29418/tuleap:
  request #6343 - "fields" should be a JSON Array in GET /trackers/:id and GET /projects/:id/trackers

Change-Id: If554aa339cc192520829c94be5f0d854f338e60b
Tuleap 6.11.99.2

Change-Id: I798931be67a4b1f484583c10fd1019fa831fd053