LROC WAC camera model has a new band dependent distortion model...

LROC WAC camera model has a new band dependent distortion model implementation. This model is now designated as version 3 which requires spiceinit to be rerun on all LRO WAC images.

git-svn-id: http://subversion.wr.usgs.gov/repos/prog/isis3/trunk@5801 41f8697f-d340-4b68-9986-7bafba869bb8