Post OsirixAddROINotification when ROIS are created in -[ViewerControlle...

...r - (float) computeVolume:(ROI*) selectedRoi points:(NSMutableArray**) pts generateMissingROIs:(BOOL) generateMissingROIs generatedROIs:(NSMutableArray*) generatedROIs computeData:(NSMutableDictionary*) data error:(NSString**) error]