story #6934 - REST: route /users/:id GET

Change-Id: Iba6164d4e545d7a24440bae4f726391d5954a1ad
Merge commit 'refs/changes/36/2536/2' of ssh://gerrit.tuleap.net:29418/tuleap into tuleap-stable-master

* ssh://gerrit.tuleap.net:29418/tuleap:
  story #6934 - REST: route /users/:id GET

Change-Id: Ie1fab4f3bd61bfb453f4211666c1bd96e106ffdd
Tuleap 7.1.99.4

Change-Id: Id73cf124111cb89e01cf5aaca3c27a4f6d54b1fb