IN PROGRESS - issue OPENFLEXO-777: delete d'un object property statemnt
dans le viewpoint modeller 
https://bugs.openflexo.com/browse/OPENFLEXO-777
RESOLVED - issue OPENFLEXO-776: Suppression d'un élement de la palette
dans le ViewPointModeller 
https://bugs.openflexo.com/browse/OPENFLEXO-776
Prevented many NPE
RESOLVED - issue OPENFLEXO-776: Suppression d'un élement de la palette
dans le ViewPointModeller 
https://bugs.openflexo.com/browse/OPENFLEXO-776

New palette view is now automatically put inside a scrollpane if it
exists.
RESOLVED - issue OPENFLEXO-776: Suppression d'un élement de la palette
dans le ViewPointModeller 
https://bugs.openflexo.com/browse/OPENFLEXO-776
ContextualoPalette was not properly unregistering itself as an observer
of the model when deleted
RESOLVED - issue OPENFLEXO-776: Suppression d'un élement de la palette
dans le ViewPointModeller 
https://bugs.openflexo.com/browse/OPENFLEXO-776
Removed unused method
MEDIUM: Improved GraphicalPatternRolePathElement to allow accessing the
entire ViewShape, rather than just the few (not working) attributes
RESOLVED - issue OPENFLEXO-774: trying to delete palette 
https://bugs.openflexo.com/browse/OPENFLEXO-774
Fixed missing update of orderedPalette vector (btw, a TreeMap would have
probably been simpler to use)
RESOLVED - issue OPENFLEXO-771: Clicker sur une shape placé dans la
viewpoint  https://bugs.openflexo.com/browse/OPENFLEXO-771
Added missing initialization of Vector
RESOLVED - issue OPENFLEXO-768: Impossible de créer une nouvelle edition
pattern  https://bugs.openflexo.com/browse/OPENFLEXO-768
RESOLVED - issue OPENFLEXO-766: Click sur un dessin dans le ViewPM 
https://bugs.openflexo.com/browse/OPENFLEXO-766
RESOLVED - issue OPENFLEXO-755: ajout d'un deletion scheme 
https://bugs.openflexo.com/browse/OPENFLEXO-755
Controller was not properly deleted
	•  Controller did not remove its observer upon deletion
	•  Some NPE were not prevented