rubberBandZoom back (and 'R' and 'N' shorcuts too)
warning removed in vtkImageView
replacing ctlr key by shift key for rubber band zoom
bugs corrected in registration workspace
avoid having closeEvent on medMainWindows more than once.
medParameter moved in medCore, and layeredView API changed to directly
access visibilityParameter
interactors updated (visibiltyParameter)
remove useless attribute from mainWindow (already set in the main)
Relink views after succeed in registration workspace.
fix segmentation crashes.
correct initialization of window and level parameter for itkImage interactor.
some fixes for the rubberBandZoom.
view API changed to integrate window level, camera, position and opacity
parameters
view API changed (suite)
view API changed to add access to zoom and pan parameters
correct flickering when slicing
typo corrected
warnings corrected
bug corrected when dropping meshes
avoid some useless render for windowLevel, zoom and pan parameters.