* added MINC history information to segmentations saved using itksnap. If only a "main" image is loaded (i.e., no existing segmentation is loaded along side the main image), the history attribute is initialized, otherwise the history information from the loaded segmentation is copied over, and appended.
Merge pull request #2 from mcvaneede/minc

* added MINC history information to segmentations saved using itksnap. I...