Change the must_change_pwd value to true for new users (they must change the password the first time)

The pairing tool have to not return values for the onMouseMove() and onMouseDown() functions

If the mouse function dont return, the interface freeze after the tool change

Revert "Patch : if the conclusions are not mendarory, the update of the conclusions dont have to assert"

This reverts commit 4ce9a65f.