New BundleObservationView class for handling the display of BundleObservation...

New BundleObservationView class for handling the display of BundleObservation data in a QTable object.  Fixes #4839#

git-svn-id: http://subversion.wr.usgs.gov/repos/prog/isis3/branches/ipce_FY17-Sprint1@7638 41f8697f-d340-4b68-9986-7bafba869bb8