Fix request #4456 : Fatal error when transition occurs

This is due to the missing  bypassPermissions() method into Transition_PostAction_CIBuild class.

Change-Id: If773be6ee1d6659f866e7178cc7bedd01e14bc49
Merge commit 'refs/changes/65/665/2' of ssh://gerrit.tuleap.net:29418/tuleap into tuleap-stable-master

* ssh://gerrit.tuleap.net:29418/tuleap:
  Fix request #4456 : Fatal error when transition occurs

Change-Id: Ie535a8983a8c073e86243b193bf9a54fe180cb39
Tuleap 6.2.99.34

Change-Id: I9d3fea559f5652699e984c554c21c5354d2d9af1