story #7506 have my mirrored repository replicated

Update manifests on user and repository events

The mirrors should be updated when
- user add/remove an ssh key
- update repository attributes (description, permissions, etc)

Change-Id: Ibb4179c1971e0da8a458ccca44eca3b80e2ce45b
Merge commit 'refs/changes/21/3121/6' of ssh://gerrit.tuleap.net:29418/tuleap into HEAD

* ssh://gerrit.tuleap.net:29418/tuleap:
  story #7506 have my mirrored repository replicated

Change-Id: Ia44dfe502a2b77b4d198e3b3debf601bed843a53
This is Tuleap 7.5.99.72

Change-Id: Iaed687857f7be0dc1cafea69895298c863e24368