Added several new filters for filtering points/measures, as well as...

Added several new filters for filtering points/measures, as well as images/points. The new filters include: a priori/adjuted lat/lon/radius, a priori/adjusted lat/lon/radius sigma, jigsaw rejected points, jigsaw rejected measures, sample and line shift. Fixes #367.

git-svn-id: http://subversion.wr.usgs.gov/repos/prog/isis3/trunk@4318 41f8697f-d340-4b68-9986-7bafba869bb8