Fix plugin readme
fixing bug on changing remaining effort
Fix fatal error on daily system event

If you add type hinting on hook callback signature, then you must send
the right type while firing the event.
Merge commit 'refs/changes/01/401/1' of http://gerrit.tuleap.net/tuleap into tuleap-stable-master

* http://gerrit.tuleap.net/tuleap:
  Fix fatal error on daily system event
Merge commit 'refs/changes/00/400/1' of http://gerrit.tuleap.net/tuleap into tuleap-stable-master

* http://gerrit.tuleap.net/tuleap:
  fixing bug on changing remaining effort
Merge commit 'refs/changes/98/398/1' of http://gerrit.tuleap.net/tuleap into tuleap-stable-master

* http://gerrit.tuleap.net/tuleap:
  Fix plugin readme
Tuleap 5.12.99.46