Fix burndown display in fullscreen view

Change-Id: I0b88e0f64c26d2ba8ea46b093458b9770e51b36a
Merge commit 'refs/changes/25/1925/1' of ssh://gerrit.tuleap.net:29418/tuleap into tuleap-stable-master

* ssh://gerrit.tuleap.net:29418/tuleap:
  Fix burndown display in fullscreen view

Change-Id: I2b78c986be892bf7b42f8625ba6fa97ce3c71583
Tuleap 6.10.99.22

Change-Id: Icb7bab055ff0ca5bbc49016da3d96d4310a398e6