Fixes #594 - Got rid of FROM and USELST parameters and changed TO parameter to...

Fixes #594 - Got rid of FROM and USELST parameters and changed TO parameter to TOPATH - program now only takes a from list as input

git-svn-id: http://subversion.wr.usgs.gov/repos/prog/isis3/trunk@3952 41f8697f-d340-4b68-9986-7bafba869bb8