Exceptions that occur during jigsaw's bundle adjustment will now be displayed...

Exceptions that occur during jigsaw's bundle adjustment will now be displayed as pop-up dialogs when in GUI mode. Fixes #4483.

git-svn-id: http://subversion.wr.usgs.gov/repos/prog/isis3/branches/ipce@7243 41f8697f-d340-4b68-9986-7bafba869bb8