Updated pixel2map to attach IsisCube core labels (including BandBin group) and...

Updated pixel2map to attach IsisCube core labels (including BandBin group) and non-camera specific tables to output cubes. Fixes #4433. Removed unused variable in pixel2map. Fixes #4495.

git-svn-id: http://subversion.wr.usgs.gov/repos/prog/isis3/branches/ipce@7269 41f8697f-d340-4b68-9986-7bafba869bb8