initial commit of spray/graphiti project for composite diagrams

...atures/CompositediagramAddCompositeComponentFeature.class

...es/CompositediagramAddCompositeComponentFeatureBase.class

...mpositediagram/features/CompositediagramCopyFeature.class

...itediagram/features/CompositediagramCopyFeatureBase.class

...atures/CompositediagramCreateAssemblyContextFeature.class

...es/CompositediagramCreateAssemblyContextFeatureBase.class

...res/CompositediagramCreateCompositeComponentFeature.class

...CompositediagramCreateCompositeComponentFeatureBase.class

...es/CompositediagramDirectEditAssemblyContextFeature.class

...ompositediagramDirectEditAssemblyContextFeatureBase.class

...CompositediagramDirectEditCompositeComponentFeature.class

...ositediagramDirectEditCompositeComponentFeatureBase.class

...atures/CompositediagramLayoutAssemblyContextFeature.class

...es/CompositediagramLayoutAssemblyContextFeatureBase.class

...res/CompositediagramLayoutCompositeComponentFeature.class

...CompositediagramLayoutCompositeComponentFeatureBase.class

...features/CompositediagramMoveAssemblyContextFeature.class

...ures/CompositediagramMoveAssemblyContextFeatureBase.class

...tures/CompositediagramMoveCompositeComponentFeature.class

...s/CompositediagramMoveCompositeComponentFeatureBase.class