Add insertion point to the MgGroup class.
Change drawing options.
Add return type for setModelTransform().
Add compositeShapeWillEdit notify.
Draw insertion line for group shape.
Draw group shape's border.
Add kMgHandleNoSnap for MgGroup.
Call compositeShapeWillEdit() in the select command.
Fix setEditMode for composited shapes.
Merge branch 'feature/shapegroup' into develop
Not snap for kMgHandleNoSnap handles.
Rename compositeShapeWillEdit as shapeDblClick.