LimitBox set its value to -1 if the current
text is "All" but just when it loses its focus
so dispatching its value to the controller
 must be after this setting.
(see limitboxcontroller.cxx)

Plus some clean up in LimitBox.cxx

Change-Id: Ic1d314a5a67c2b261b2e9c50973f51de2bfb8db8