Fixed JigsawDialog compile warnings. Backed out changes made to...

Fixed JigsawDialog compile warnings.  Backed out changes made to Image,ImageList determining whether to copy cube dn-this caused problems importing Images into cnetsuite.  Fixed problems adding the BundleObservation CSV files to cnetsuite project when jigsaw results were saved.

git-svn-id: http://subversion.wr.usgs.gov/repos/prog/isis3/trunk@7665 41f8697f-d340-4b68-9986-7bafba869bb8