Link to deployment of translations.

Link to new documentation introduced by
f90e3914ba99762f1a8498bc52e3afc1922cec9e (qttools).

Task-number: QTBUG-28766
Change-Id: I7f56bd6ae5ed6980bfc4e43ad65ed208c44a9cdc
Reviewed-by: Jerome Pasion <jerome.pasion@digia.com>